74530672 has 20 divisors (see below), whose sum is σ = 150682320. Its totient is φ = 35644928.

The previous prime is 74530639. The next prime is 74530693. The reversal of 74530672 is 27603547.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100897 + ... + 101632.

It is an arithmetic number, because the mean of its divisors is an integer number (7534116).

Almost surely, 2^74530672 is an apocalyptic number.

It is an amenable number.

74530672 is an abundant number, since it is smaller than the sum of its proper divisors (76151648).

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

74530672 is a wasteful number, since it uses less digits than its factorization.

74530672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202560 (or 202554 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 74530672 is about 8633.1148492303. The cubic root of 74530672 is about 420.8348323270.

The spelling of 74530672 in words is "seventy-four million, five hundred thirty thousand, six hundred seventy-two".