79566736 has 10 divisors (see below), whose sum is σ = 154160582. Its totient is φ = 39783360.

The previous prime is 79566731. The next prime is 79566757. The reversal of 79566736 is 63766597.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 712336 = 8880^2 + 844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79566736.

It is not an unprimeable number, because it can be changed into a prime (79566731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2486445 + ... + 2486476.

Almost surely, 2^79566736 is an apocalyptic number.

It is an amenable number.

79566736 is a deficient number, since it is larger than the sum of its proper divisors (74593846).

79566736 is a wasteful number, since it uses less digits than its factorization.

79566736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972929 (or 4972923 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 49.

The square root of 79566736 is about 8920.0188340608. The cubic root of 79566736 is about 430.1076636844.

The spelling of 79566736 in words is "seventy-nine million, five hundred sixty-six thousand, seven hundred thirty-six".