72079297 has 16 divisors (see below), whose sum is σ = 76752000. Its totient is φ = 67584384.

The previous prime is 72079279. The next prime is 72079307. The reversal of 72079297 is 79297027.

It is not a de Polignac number, because 72079297 - 2⁷ = 72079169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72079207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176029 + ... + 176437.

It is an arithmetic number, because the mean of its divisors is an integer number (4797000).

Almost surely, 2^72079297 is an apocalyptic number.

It is an amenable number.

72079297 is a deficient number, since it is larger than the sum of its proper divisors (4672703).

72079297 is a wasteful number, since it uses less digits than its factorization.

72079297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 72079297 is about 8489.9527089378. The cubic root of 72079297 is about 416.1694348791.

The spelling of 72079297 in words is "seventy-two million, seventy-nine thousand, two hundred ninety-seven".