72025672 has 8 divisors (see below), whose sum is σ = 135048150. Its totient is φ = 36012832.

The previous prime is 72025649. The next prime is 72025699. The reversal of 72025672 is 27652027.

It can be written as a sum of positive squares in only one way, i.e., 70997476 + 1028196 = 8426^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4501597 + ... + 4501612.

Almost surely, 2^72025672 is an apocalyptic number.

It is an amenable number.

72025672 is a deficient number, since it is larger than the sum of its proper divisors (63022478).

72025672 is a wasteful number, since it uses less digits than its factorization.

72025672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003215 (or 9003211 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 72025672 is about 8486.7939765261. The cubic root of 72025672 is about 416.0662030979.

Adding to 72025672 its reverse (27652027), we get a palindrome (99677699).

The spelling of 72025672 in words is "seventy-two million, twenty-five thousand, six hundred seventy-two".