72851452 has 6 divisors (see below), whose sum is σ = 127490048. Its totient is φ = 36425724.

The previous prime is 72851447. The next prime is 72851461. The reversal of 72851452 is 25415827.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9106428 + ... + 9106435.

Almost surely, 2^72851452 is an apocalyptic number.

It is an amenable number.

72851452 is a deficient number, since it is larger than the sum of its proper divisors (54638596).

72851452 is a wasteful number, since it uses less digits than its factorization.

72851452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18212867 (or 18212865 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 72851452 is about 8535.3062042319. The cubic root of 72851452 is about 417.6502419819.

The spelling of 72851452 in words is "seventy-two million, eight hundred fifty-one thousand, four hundred fifty-two".