738478680 has 64 divisors (see below), whose sum is σ = 2257256160. Its totient is φ = 193210368.

The previous prime is 738478679. The next prime is 738478703. The reversal of 738478680 is 86874837.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51697 + ... + 64416.

Almost surely, 2^738478680 is an apocalyptic number.

It is an amenable number.

738478680 is an abundant number, since it is smaller than the sum of its proper divisors (1518777480).

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

738478680 is a wasteful number, since it uses less digits than its factorization.

738478680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116180 (or 116176 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 738478680 is about 27174.9642134079. The cubic root of 738478680 is about 903.8839064376.

The spelling of 738478680 in words is "seven hundred thirty-eight million, four hundred seventy-eight thousand, six hundred eighty".