74055312 has 60 divisors (see below), whose sum is σ = 218168080. Its totient is φ = 23385024.

The previous prime is 74055287. The next prime is 74055313. The reversal of 74055312 is 21355047.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74055313) 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, 10798 + ... + 16269.

Almost surely, 2^74055312 is an apocalyptic number.

74055312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74055312 is an abundant number, since it is smaller than the sum of its proper divisors (144112768).

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

74055312 is a wasteful number, since it uses less digits than its factorization.

74055312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27100 (or 27091 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 74055312 is about 8605.5396112039. The cubic root of 74055312 is about 419.9382222061.

The spelling of 74055312 in words is "seventy-four million, fifty-five thousand, three hundred twelve".