74634872 has 32 divisors (see below), whose sum is σ = 153921600. Its totient is φ = 33711744.

The previous prime is 74634871. The next prime is 74634881. The reversal of 74634872 is 27843647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74634871) 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, 2747 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (4810050).

Almost surely, 2^74634872 is an apocalyptic number.

It is an amenable number.

74634872 is an abundant number, since it is smaller than the sum of its proper divisors (79286728).

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

74634872 is a wasteful number, since it uses less digits than its factorization.

74634872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15335 (or 15331 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 74634872 is about 8639.1476431417. The cubic root of 74634872 is about 421.0308615521.

The spelling of 74634872 in words is "seventy-four million, six hundred thirty-four thousand, eight hundred seventy-two".