79749130 has 32 divisors (see below), whose sum is σ = 151683840. Its totient is φ = 30139200.

The previous prime is 79749127. The next prime is 79749151. The reversal of 79749130 is 3194797.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10705 + ... + 16555.

It is an arithmetic number, because the mean of its divisors is an integer number (4740120).

Almost surely, 2^79749130 is an apocalyptic number.

79749130 is a deficient number, since it is larger than the sum of its proper divisors (71934710).

79749130 is a wasteful number, since it uses less digits than its factorization.

79749130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 79749130 is about 8930.2368389646. The cubic root of 79749130 is about 430.4360638569.

The spelling of 79749130 in words is "seventy-nine million, seven hundred forty-nine thousand, one hundred thirty".