72952539 has 24 divisors (see below), whose sum is σ = 108290112. Its totient is φ = 43324320.

The previous prime is 72952519. The next prime is 72952541. The reversal of 72952539 is 93525927.

It is not a de Polignac number, because 72952539 - 2⁹ = 72952027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72952539.

It is not an unprimeable number, because it can be changed into a prime (72952519) 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, 92304 + ... + 93090.

It is an arithmetic number, because the mean of its divisors is an integer number (4512088).

Almost surely, 2^72952539 is an apocalyptic number.

72952539 is a deficient number, since it is larger than the sum of its proper divisors (35337573).

72952539 is a wasteful number, since it uses less digits than its factorization.

72952539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 854 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 72952539 is about 8541.2258487877. The cubic root of 72952539 is about 417.8433266609.

The spelling of 72952539 in words is "seventy-two million, nine hundred fifty-two thousand, five hundred thirty-nine".