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74314380 = 22357323157
BaseRepresentation
bin1000110110111…
…11001010001100
312011211120011110
410123133022030
5123011030010
611212452020
71561443000
oct433371214
9164746143
1074314380
1138a48548
1220a7a010
131251c50a
149c26700
1567ce120
hex46df28c

74314380 has 192 divisors, whose sum is σ = 254822400. Its totient is φ = 16144128.

The previous prime is 74314369. The next prime is 74314381. The reversal of 74314380 is 8341347.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (74314381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 473262 + ... + 473418.

It is an arithmetic number, because the mean of its divisors is an integer number (1327200).

Almost surely, 274314380 is an apocalyptic number.

74314380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74314380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127411200).

74314380 is an abundant number, since it is smaller than the sum of its proper divisors (180508020).

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

74314380 is a wasteful number, since it uses less digits than its factorization.

74314380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 74314380 is about 8620.5788668743. The cubic root of 74314380 is about 420.4273428163.

It can be divided in two parts, 7431 and 4380, that added together give a palindrome (11811).

The spelling of 74314380 in words is "seventy-four million, three hundred fourteen thousand, three hundred eighty".