72152052 has 24 divisors (see below), whose sum is σ = 192405696. Its totient is φ = 20614848.

The previous prime is 72152039. The next prime is 72152107. The reversal of 72152052 is 25025127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429393 + ... + 429560.

It is an arithmetic number, because the mean of its divisors is an integer number (8016904).

Almost surely, 2^72152052 is an apocalyptic number.

It is an amenable number.

72152052 is an abundant number, since it is smaller than the sum of its proper divisors (120253644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72152052 is a wasteful number, since it uses less digits than its factorization.

72152052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858967 (or 858965 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 72152052 is about 8494.2363988766. The cubic root of 72152052 is about 416.3094113901.

Adding to 72152052 its reverse (25025127), we get a palindrome (97177179).

The spelling of 72152052 in words is "seventy-two million, one hundred fifty-two thousand, fifty-two".