72841325 has 12 divisors (see below), whose sum is σ = 90429108. Its totient is φ = 58204800.

The previous prime is 72841313. The next prime is 72841331. The reversal of 72841325 is 52314827.

It can be written as a sum of positive squares in 6 ways, for example, as 438244 + 72403081 = 662^2 + 8509^2 .

It is not a de Polignac number, because 72841325 - 2⁴ = 72841309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72841291 and 72841300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41465 + ... + 43185.

It is an arithmetic number, because the mean of its divisors is an integer number (7535759).

Almost surely, 2^72841325 is an apocalyptic number.

It is an amenable number.

72841325 is a deficient number, since it is larger than the sum of its proper divisors (17587783).

72841325 is a wasteful number, since it uses less digits than its factorization.

72841325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424 (or 3419 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 72841325 is about 8534.7129418628. The cubic root of 72841325 is about 417.6308887186.

The spelling of 72841325 in words is "seventy-two million, eight hundred forty-one thousand, three hundred twenty-five".