72708713 has 16 divisors (see below), whose sum is σ = 93778560. Its totient is φ = 54700800.

The previous prime is 72708683. The next prime is 72708719. The reversal of 72708713 is 31780727.

It is not a de Polignac number, because 72708713 - 2¹⁰ = 72707689 is a prime.

It is a super-2 number, since 2×72708713² = 10573113892232738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72708719) 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 15 ways as a sum of consecutive naturals, for example, 14048 + ... + 18513.

It is an arithmetic number, because the mean of its divisors is an integer number (5861160).

Almost surely, 2^72708713 is an apocalyptic number.

It is an amenable number.

72708713 is a deficient number, since it is larger than the sum of its proper divisors (21069847).

72708713 is a wasteful number, since it uses less digits than its factorization.

72708713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32608.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 72708713 is about 8526.9404243257. The cubic root of 72708713 is about 417.3772940696.

The spelling of 72708713 in words is "seventy-two million, seven hundred eight thousand, seven hundred thirteen".