72525052 has 12 divisors (see below), whose sum is σ = 133598920. Its totient is φ = 34353936.

The previous prime is 72525029. The next prime is 72525059. The reversal of 72525052 is 25052527.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 72525052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72525059) 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 3 ways as a sum of consecutive naturals, for example, 477063 + ... + 477214.

Almost surely, 2^72525052 is an apocalyptic number.

It is an amenable number.

72525052 is a deficient number, since it is larger than the sum of its proper divisors (61073868).

72525052 is a wasteful number, since it uses less digits than its factorization.

72525052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954300 (or 954298 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 72525052 is about 8516.1641599960. The cubic root of 72525052 is about 417.0255683840.

Adding to 72525052 its reverse (25052527), we get a palindrome (97577579).

The spelling of 72525052 in words is "seventy-two million, five hundred twenty-five thousand, fifty-two".