72271852 has 12 divisors (see below), whose sum is σ = 127175776. Its totient is φ = 35935920.

The previous prime is 72271831. The next prime is 72271861. The reversal of 72271852 is 25817227.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49188 + ... + 50635.

Almost surely, 2^72271852 is an apocalyptic number.

It is an amenable number.

72271852 is a deficient number, since it is larger than the sum of its proper divisors (54903924).

72271852 is a wasteful number, since it uses less digits than its factorization.

72271852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100008 (or 100006 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 72271852 is about 8501.2853145863. The cubic root of 72271852 is about 416.5396949293.

The spelling of 72271852 in words is "seventy-two million, two hundred seventy-one thousand, eight hundred fifty-two".