738664536 has 32 divisors (see below), whose sum is σ = 1870041600. Its totient is φ = 243104160.

The previous prime is 738664523. The next prime is 738664541. The reversal of 738664536 is 635466837.

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 7 ways as a sum of consecutive naturals, for example, 192900 + ... + 196691.

It is an arithmetic number, because the mean of its divisors is an integer number (58438800).

Almost surely, 2^738664536 is an apocalyptic number.

It is an amenable number.

738664536 is an abundant number, since it is smaller than the sum of its proper divisors (1131377064).

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

738664536 is a wasteful number, since it uses less digits than its factorization.

738664536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389679 (or 389675 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The square root of 738664536 is about 27178.3836163963. The cubic root of 738664536 is about 903.9597281509.

The spelling of 738664536 in words is "seven hundred thirty-eight million, six hundred sixty-four thousand, five hundred thirty-six".