72325409375 has 24 divisors (see below), whose sum is σ = 92606041584. Its totient is φ = 56449000000.

The previous prime is 72325409363. The next prime is 72325409381. The reversal of 72325409375 is 57390452327.

It is not a de Polignac number, because 72325409375 - 2¹⁸ = 72325147231 is a prime.

It is a super-2 number, since 2×72325409375² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 154121 + ... + 410370.

It is an arithmetic number, because the mean of its divisors is an integer number (3858585066).

Almost surely, 2^72325409375 is an apocalyptic number.

72325409375 is a deficient number, since it is larger than the sum of its proper divisors (20280632209).

72325409375 is an frugal number, since it uses more digits than its factorization.

72325409375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564557 (or 564537 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 72325409375 in words is "seventy-two billion, three hundred twenty-five million, four hundred nine thousand, three hundred seventy-five".