72707037 has 16 divisors (see below), whose sum is σ = 105577920. Its totient is φ = 44237952.

The previous prime is 72707021. The next prime is 72707039. The reversal of 72707037 is 73070727.

It is not a de Polignac number, because 72707037 - 2⁴ = 72707021 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 72706989 and 72707007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72707039) 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, 7003 + ... + 13944.

It is an arithmetic number, because the mean of its divisors is an integer number (6598620).

Almost surely, 2^72707037 is an apocalyptic number.

It is an amenable number.

72707037 is a deficient number, since it is larger than the sum of its proper divisors (32870883).

72707037 is a wasteful number, since it uses less digits than its factorization.

72707037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21052.

The product of its (nonzero) digits is 14406, while the sum is 33.

The square root of 72707037 is about 8526.8421470085. The cubic root of 72707037 is about 417.3740870733.

The spelling of 72707037 in words is "seventy-two million, seven hundred seven thousand, thirty-seven".