74734680 has 64 divisors (see below), whose sum is σ = 224920800. Its totient is φ = 19865600.

The previous prime is 74734663. The next prime is 74734687. The reversal of 74734680 is 8643747.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74734687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45880 + ... + 47480.

Almost surely, 2^74734680 is an apocalyptic number.

It is an amenable number.

74734680 is an abundant number, since it is smaller than the sum of its proper divisors (150186120).

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

74734680 is a wasteful number, since it uses less digits than its factorization.

74734680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 74734680 is about 8644.9222090196. The cubic root of 74734680 is about 421.2184571943.

The spelling of 74734680 in words is "seventy-four million, seven hundred thirty-four thousand, six hundred eighty".