748664440 has 32 divisors (see below), whose sum is σ = 1703430000. Its totient is φ = 296099584.

The previous prime is 748664383. The next prime is 748664447. The reversal of 748664440 is 44466847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748664447) 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, 101590 + ... + 108709.

Almost surely, 2^748664440 is an apocalyptic number.

It is an amenable number.

748664440 is an abundant number, since it is smaller than the sum of its proper divisors (954765560).

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

748664440 is a wasteful number, since it uses less digits than its factorization.

748664440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210399 (or 210395 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The square root of 748664440 is about 27361.7331322415. The cubic root of 748664440 is about 908.0206707372.

The spelling of 748664440 in words is "seven hundred forty-eight million, six hundred sixty-four thousand, four hundred forty".