72059913 has 24 divisors (see below), whose sum is σ = 111646080. Its totient is φ = 44647200.

The previous prime is 72059887. The next prime is 72059969. The reversal of 72059913 is 31995027.

It is not a de Polignac number, because 72059913 - 2⁸ = 72059657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72059213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5088 + ... + 13038.

It is an arithmetic number, because the mean of its divisors is an integer number (4651920).

Almost surely, 2^72059913 is an apocalyptic number.

It is an amenable number.

72059913 is a deficient number, since it is larger than the sum of its proper divisors (39586167).

72059913 is a wasteful number, since it uses less digits than its factorization.

72059913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8029 (or 8026 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 72059913 is about 8488.8110474907. The cubic root of 72059913 is about 416.1321252682.

The spelling of 72059913 in words is "seventy-two million, fifty-nine thousand, nine hundred thirteen".