72133325 has 12 divisors (see below), whose sum is σ = 97577088. Its totient is φ = 52460400.

The previous prime is 72133289. The next prime is 72133349. The reversal of 72133325 is 52333127.

It is not a de Polignac number, because 72133325 - 2⁸ = 72133069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72133294 and 72133303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130877 + ... + 131426.

It is an arithmetic number, because the mean of its divisors is an integer number (8131424).

Almost surely, 2^72133325 is an apocalyptic number.

It is an amenable number.

72133325 is a deficient number, since it is larger than the sum of its proper divisors (25443763).

72133325 is a wasteful number, since it uses less digits than its factorization.

72133325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262324 (or 262319 counting only the distinct ones).

The product of its digits is 3780, while the sum is 26.

The square root of 72133325 is about 8493.1339916429. The cubic root of 72133325 is about 416.2733906962.

The spelling of 72133325 in words is "seventy-two million, one hundred thirty-three thousand, three hundred twenty-five".