76740736 has 16 divisors (see below), whose sum is σ = 152882190. Its totient is φ = 38370304.

The previous prime is 76740731. The next prime is 76740751. The reversal of 76740736 is 63704767.

It can be written as a sum of positive squares in only one way, i.e., 76737600 + 3136 = 8760^2 + 56^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (76740731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299641 + ... + 299896.

Almost surely, 2^76740736 is an apocalyptic number.

It is an amenable number.

76740736 is a deficient number, since it is larger than the sum of its proper divisors (76141454).

76740736 is an equidigital number, since it uses as much as digits as its factorization.

76740736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599551 (or 599539 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 76740736 is about 8760.1789936051. The cubic root of 76740736 is about 424.9540637779.

The spelling of 76740736 in words is "seventy-six million, seven hundred forty thousand, seven hundred thirty-six".