738536640 has 56 divisors (see below), whose sum is σ = 2344856880. Its totient is φ = 196942848.

The previous prime is 738536633. The next prime is 738536651. The reversal of 738536640 is 46635837.

It is a junction number, because it is equal to n+sod(n) for n = 738536592 and 738536601.

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, 383695 + ... + 385614.

Almost surely, 2^738536640 is an apocalyptic number.

It is an amenable number.

738536640 is an abundant number, since it is smaller than the sum of its proper divisors (1606320240).

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

738536640 is a wasteful number, since it uses less digits than its factorization.

738536640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769329 (or 769319 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 738536640 is about 27176.0306152315. The cubic root of 738536640 is about 903.9075531328.

The spelling of 738536640 in words is "seven hundred thirty-eight million, five hundred thirty-six thousand, six hundred forty".