72466326564 has 24 divisors (see below), whose sum is σ = 179034454368. Its totient is φ = 22734533760.

The previous prime is 72466326509. The next prime is 72466326631. The reversal of 72466326564 is 46562366427.

It is a super-3 number, since 3×72466326564³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177613342 + ... + 177613749.

It is an arithmetic number, because the mean of its divisors is an integer number (7459768932).

Almost surely, 2^72466326564 is an apocalyptic number.

It is an amenable number.

72466326564 is an abundant number, since it is smaller than the sum of its proper divisors (106568127804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72466326564 is a wasteful number, since it uses less digits than its factorization.

72466326564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355227115 (or 355227113 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 51.

The spelling of 72466326564 in words is "seventy-two billion, four hundred sixty-six million, three hundred twenty-six thousand, five hundred sixty-four".