72310847 has 12 divisors (see below), whose sum is σ = 83481840. Its totient is φ = 61356288.

The previous prime is 72310837. The next prime is 72310859. The reversal of 72310847 is 74801327.

It is a happy number.

It is not a de Polignac number, because 72310847 - 2⁴ = 72310831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72310837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88979 + ... + 89787.

It is an arithmetic number, because the mean of its divisors is an integer number (6956820).

Almost surely, 2^72310847 is an apocalyptic number.

72310847 is a deficient number, since it is larger than the sum of its proper divisors (11170993).

72310847 is an equidigital number, since it uses as much as digits as its factorization.

72310847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 72310847 is about 8503.5784820274. The cubic root of 72310847 is about 416.6145975112.

The spelling of 72310847 in words is "seventy-two million, three hundred ten thousand, eight hundred forty-seven".