74823912 has 40 divisors (see below), whose sum is σ = 209578050. Its totient is φ = 24941088.

The previous prime is 74823911. The next prime is 74823929. The reversal of 74823912 is 21932847.

It can be written as a sum of positive squares in only one way, i.e., 45077796 + 29746116 = 6714^2 + 5454^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74823911) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57087 + ... + 58382.

Almost surely, 2^74823912 is an apocalyptic number.

74823912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74823912 is an abundant number, since it is smaller than the sum of its proper divisors (134754138).

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

74823912 is a wasteful number, since it uses less digits than its factorization.

74823912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115487 (or 115474 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 74823912 is about 8650.0816181121. The cubic root of 74823912 is about 421.3860331943.

The spelling of 74823912 in words is "seventy-four million, eight hundred twenty-three thousand, nine hundred twelve".