76649244736 has 21 divisors (see below), whose sum is σ = 152105240239. Its totient is φ = 38323514944.

The previous prime is 76649244701. The next prime is 76649244761. The reversal of 76649244736 is 63744294667.

The square root of 76649244736 is 276856.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2197545 + ... + 2232151.

Almost surely, 2^76649244736 is an apocalyptic number.

76649244736 is the 276856-th square number.

It is an amenable number.

76649244736 is a deficient number, since it is larger than the sum of its proper divisors (75455995503).

76649244736 is an frugal number, since it uses more digits than its factorization.

76649244736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69226 (or 34609 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 58.

The spelling of 76649244736 in words is "seventy-six billion, six hundred forty-nine million, two hundred forty-four thousand, seven hundred thirty-six".