74678472 has 48 divisors (see below), whose sum is σ = 220643280. Its totient is φ = 22629600.

The previous prime is 74678453. The next prime is 74678477. The reversal of 74678472 is 27487647.

It is not an unprimeable number, because it can be changed into a prime (74678477) 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, 46354 + ... + 47937.

It is an arithmetic number, because the mean of its divisors is an integer number (4596735).

Almost surely, 2^74678472 is an apocalyptic number.

74678472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74678472 is an abundant number, since it is smaller than the sum of its proper divisors (145964808).

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

74678472 is a wasteful number, since it uses less digits than its factorization.

74678472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94314 (or 94307 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 74678472 is about 8641.6706718088. The cubic root of 74678472 is about 421.1128311536.

The spelling of 74678472 in words is "seventy-four million, six hundred seventy-eight thousand, four hundred seventy-two".