72529394576 has 20 divisors (see below), whose sum is σ = 143515612032. Its totient is φ = 35493107616.

The previous prime is 72529394573. The next prime is 72529394611. The reversal of 72529394576 is 67549392527.

It is a happy number.

It is a super-2 number, since 2×72529394576² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72529394573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48223580 + ... + 48225083.

Almost surely, 2^72529394576 is an apocalyptic number.

It is an amenable number.

72529394576 is a deficient number, since it is larger than the sum of its proper divisors (70986217456).

72529394576 is a wasteful number, since it uses less digits than its factorization.

72529394576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96448718 (or 96448712 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 59.

The spelling of 72529394576 in words is "seventy-two billion, five hundred twenty-nine million, three hundred ninety-four thousand, five hundred seventy-six".