72156352 has 14 divisors (see below), whose sum is σ = 143185388. Its totient is φ = 36078144.

The previous prime is 72156323. The next prime is 72156361. The reversal of 72156352 is 25365127.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563658 + ... + 563785.

Almost surely, 2^72156352 is an apocalyptic number.

It is an amenable number.

72156352 is a deficient number, since it is larger than the sum of its proper divisors (71029036).

72156352 is a wasteful number, since it uses less digits than its factorization.

72156352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127455 (or 1127445 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 72156352 is about 8494.4895079104. The cubic root of 72156352 is about 416.3176814017.

The spelling of 72156352 in words is "seventy-two million, one hundred fifty-six thousand, three hundred fifty-two".