72079251 has 16 divisors (see below), whose sum is σ = 97850496. Its totient is φ = 47186496.

The previous prime is 72079243. The next prime is 72079261. The reversal of 72079251 is 15297027.

It is not a de Polignac number, because 72079251 - 2³ = 72079243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72079261) 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, 61396 + ... + 62558.

It is an arithmetic number, because the mean of its divisors is an integer number (6115656).

Almost surely, 2^72079251 is an apocalyptic number.

72079251 is a deficient number, since it is larger than the sum of its proper divisors (25771245).

72079251 is a wasteful number, since it uses less digits than its factorization.

72079251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 72079251 is about 8489.9499998528. The cubic root of 72079251 is about 416.1693463479.

The spelling of 72079251 in words is "seventy-two million, seventy-nine thousand, two hundred fifty-one".