79134280 has 32 divisors (see below), whose sum is σ = 179200440. Its totient is φ = 31449600.

The previous prime is 79134277. The next prime is 79134287. The reversal of 79134280 is 8243197.

It can be written as a sum of positive squares in 4 ways, for example, as 50211396 + 28922884 = 7086^2 + 5378^2 .

It is a super-2 number, since 2×79134280² = 12524468542236800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (79134287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 12580.

Almost surely, 2^79134280 is an apocalyptic number.

It is an amenable number.

79134280 is an abundant number, since it is smaller than the sum of its proper divisors (100066160).

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

79134280 is a wasteful number, since it uses less digits than its factorization.

79134280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12769 (or 12765 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 79134280 is about 8895.7450503035. The cubic root of 79134280 is about 429.3270165045.

The spelling of 79134280 in words is "seventy-nine million, one hundred thirty-four thousand, two hundred eighty".