72079431 has 8 divisors (see below), whose sum is σ = 96150144. Its totient is φ = 48030840.

The previous prime is 72079391. The next prime is 72079453. The reversal of 72079431 is 13497027.

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

It is not a de Polignac number, because 72079431 - 2¹³ = 72071239 is a prime.

It is a super-2 number, since 2×72079431² = 10390888746567522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72079392 and 72079401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72079531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4870 + ... + 12956.

It is an arithmetic number, because the mean of its divisors is an integer number (12018768).

Almost surely, 2^72079431 is an apocalyptic number.

72079431 is a deficient number, since it is larger than the sum of its proper divisors (24070713).

72079431 is a wasteful number, since it uses less digits than its factorization.

72079431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 72079431 is about 8489.9606006153. The cubic root of 72079431 is about 416.1696927741.

The spelling of 72079431 in words is "seventy-two million, seventy-nine thousand, four hundred thirty-one".