5640722732 has 12 divisors (see below), whose sum is σ = 9871816080. Its totient is φ = 2820203856.

The previous prime is 5640722693. The next prime is 5640722809. The reversal of 5640722732 is 2372270465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84494 + ... + 135722.

It is an arithmetic number, because the mean of its divisors is an integer number (822651340).

Almost surely, 2^5640722732 is an apocalyptic number.

It is an amenable number.

5640722732 is a deficient number, since it is larger than the sum of its proper divisors (4231093348).

5640722732 is a wasteful number, since it uses less digits than its factorization.

5640722732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78760 (or 78758 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 5640722732 is about 75104.7450698023. The cubic root of 5640722732 is about 1780.1021205561.

The spelling of 5640722732 in words is "five billion, six hundred forty million, seven hundred twenty-two thousand, seven hundred thirty-two".