72279325 has 24 divisors (see below), whose sum is σ = 99904320. Its totient is φ = 51552000.

The previous prime is 72279313. The next prime is 72279331. The reversal of 72279325 is 52397227.

It is not a de Polignac number, because 72279325 - 2⁵ = 72279293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3600 + ... + 12550.

It is an arithmetic number, because the mean of its divisors is an integer number (4162680).

Almost surely, 2^72279325 is an apocalyptic number.

It is an amenable number.

72279325 is a deficient number, since it is larger than the sum of its proper divisors (27624995).

72279325 is a wasteful number, since it uses less digits than its factorization.

72279325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997 (or 8992 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 72279325 is about 8501.7248249987. The cubic root of 72279325 is about 416.5540513432.

The spelling of 72279325 in words is "seventy-two million, two hundred seventy-nine thousand, three hundred twenty-five".