72025306 has 8 divisors (see below), whose sum is σ = 108114804. Its totient is φ = 35987040.

The previous prime is 72025271. The next prime is 72025319. The reversal of 72025306 is 60352027.

It can be written as a sum of positive squares in 2 ways, for example, as 71318025 + 707281 = 8445^2 + 841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9075 + ... + 15046.

Almost surely, 2^72025306 is an apocalyptic number.

72025306 is a deficient number, since it is larger than the sum of its proper divisors (36089498).

72025306 is a wasteful number, since it uses less digits than its factorization.

72025306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25616.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 72025306 is about 8486.7724135857. The cubic root of 72025306 is about 416.0654983469.

The spelling of 72025306 in words is "seventy-two million, twenty-five thousand, three hundred six".