Search a number
-
+
74063912 = 23132291889
BaseRepresentation
bin1000110101000…
…10000000101000
312011100211120212
410122202000220
5122430021122
611203240252
71556350526
oct432420050
9164324525
1074063912
113889734a
1220979088
1312462500
149b9d316
15677ece2
hex46a2028

74063912 has 48 divisors (see below), whose sum is σ = 155641500. Its totient is φ = 32987136.

The previous prime is 74063911. The next prime is 74064041. The reversal of 74063912 is 21936047.

It can be written as a sum of positive squares in 6 ways, for example, as 11115556 + 62948356 = 3334^2 + 7934^2 .

It is not an unprimeable number, because it can be changed into a prime (74063911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38264 + ... + 40152.

Almost surely, 274063912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74063912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77820750).

74063912 is an abundant number, since it is smaller than the sum of its proper divisors (81577588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74063912 is a wasteful number, since it uses less digits than its factorization.

74063912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 74063912 is about 8606.0392748349. The cubic root of 74063912 is about 419.9544773034.

Adding to 74063912 its reverse (21936047), we get a palindrome (95999959).

The spelling of 74063912 in words is "seventy-four million, sixty-three thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 169 232 338 377 676 754 1352 1508 1889 3016 3778 4901 7556 9802 15112 19604 24557 39208 49114 54781 98228 109562 196456 219124 319241 438248 638482 712153 1276964 1424306 2553928 2848612 5697224 9257989 18515978 37031956 74063912