79043280 has 40 divisors (see below), whose sum is σ = 245034912. Its totient is φ = 21078144.

The previous prime is 79043269. The next prime is 79043281. The reversal of 79043280 is 8234097.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×79043280² = 12495680226316800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79043281) 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, 164434 + ... + 164913.

Almost surely, 2^79043280 is an apocalyptic number.

It is an amenable number.

79043280 is an abundant number, since it is smaller than the sum of its proper divisors (165991632).

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

79043280 is a wasteful number, since it uses less digits than its factorization.

79043280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329363 (or 329357 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 79043280 is about 8890.6287741644. The cubic root of 79043280 is about 429.1623860236.

The spelling of 79043280 in words is "seventy-nine million, forty-three thousand, two hundred eighty".