72152037 has 12 divisors (see below), whose sum is σ = 104533260. Its totient is φ = 47956608.

The previous prime is 72152021. The next prime is 72152039. The reversal of 72152037 is 73025127.

It can be written as a sum of positive squares in 2 ways, for example, as 15992001 + 56160036 = 3999^2 + 7494^2 .

It is not a de Polignac number, because 72152037 - 2⁴ = 72152021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72152037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72152039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8862 + ... + 14927.

It is an arithmetic number, because the mean of its divisors is an integer number (8711105).

Almost surely, 2^72152037 is an apocalyptic number.

It is an amenable number.

72152037 is a deficient number, since it is larger than the sum of its proper divisors (32381223).

72152037 is a wasteful number, since it uses less digits than its factorization.

72152037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24132 (or 24129 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 72152037 is about 8494.2355159249. The cubic root of 72152037 is about 416.3093825407.

The spelling of 72152037 in words is "seventy-two million, one hundred fifty-two thousand, thirty-seven".