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74061912 = 2333319323
BaseRepresentation
bin1000110101000…
…01100001011000
312011100201211210
410122201201120
5122424440122
611203223120
71556341641
oct432414130
9164321753
1074061912
11388958a1
1220977aa0
1312461622
149b9c6c8
15677e40c
hex46a1858

74061912 has 32 divisors (see below), whose sum is σ = 185734080. Its totient is φ = 24610080.

The previous prime is 74061907. The next prime is 74061917. The reversal of 74061912 is 21916047.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74061907) and next prime (74061917).

It is a self number, because there is not a number n which added to its sum of digits gives 74061912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74061917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3283 + ... + 12605.

It is an arithmetic number, because the mean of its divisors is an integer number (5804190).

Almost surely, 274061912 is an apocalyptic number.

It is an amenable number.

74061912 is an abundant number, since it is smaller than the sum of its proper divisors (111672168).

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

74061912 is a wasteful number, since it uses less digits than its factorization.

74061912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663 (or 9659 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 74061912 is about 8605.9230765793. The cubic root of 74061912 is about 419.9506971605.

Adding to 74061912 its reverse (21916047), we get a palindrome (95977959).

The spelling of 74061912 in words is "seventy-four million, sixty-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 331 662 993 1324 1986 2648 3972 7944 9323 18646 27969 37292 55938 74584 111876 223752 3085913 6171826 9257739 12343652 18515478 24687304 37030956 74061912