79725802 has 8 divisors (see below), whose sum is σ = 128787876. Its totient is φ = 36796512.

The previous prime is 79725799. The next prime is 79725803. The reversal of 79725802 is 20852797.

It can be written as a sum of positive squares in 2 ways, for example, as 79548561 + 177241 = 8919^2 + 421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (79725803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533163 + ... + 1533214.

Almost surely, 2^79725802 is an apocalyptic number.

79725802 is a deficient number, since it is larger than the sum of its proper divisors (49062074).

79725802 is a wasteful number, since it uses less digits than its factorization.

79725802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066392.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 79725802 is about 8928.9306190607. The cubic root of 79725802 is about 430.3940897658.

The spelling of 79725802 in words is "seventy-nine million, seven hundred twenty-five thousand, eight hundred two".