79763634 has 72 divisors (see below), whose sum is σ = 187814640. Its totient is φ = 24392016.

The previous prime is 79763617. The next prime is 79763647. The reversal of 79763634 is 43636797.

79763634 is a `hidden beast` number, since 7 + 9 + 7 + 6 + 3 + 634 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 79763634.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1190469 + ... + 1190535.

Almost surely, 2^79763634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79763634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93907320).

79763634 is an abundant number, since it is smaller than the sum of its proper divisors (108051006).

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

79763634 is a wasteful number, since it uses less digits than its factorization.

79763634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 150 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 79763634 is about 8931.0488745723. The cubic root of 79763634 is about 430.4621567904.

The spelling of 79763634 in words is "seventy-nine million, seven hundred sixty-three thousand, six hundred thirty-four".