74488860 has 36 divisors (see below), whose sum is σ = 225950088. Its totient is φ = 19863648.

The previous prime is 74488859. The next prime is 74488867. The reversal of 74488860 is 6888447.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74488867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206734 + ... + 207093.

Almost surely, 2^74488860 is an apocalyptic number.

It is an amenable number.

74488860 is an abundant number, since it is smaller than the sum of its proper divisors (151461228).

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

74488860 is a wasteful number, since it uses less digits than its factorization.

74488860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413842 (or 413837 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 74488860 is about 8630.6929038172. The cubic root of 74488860 is about 420.7561209409.

The spelling of 74488860 in words is "seventy-four million, four hundred eighty-eight thousand, eight hundred sixty".