73225691572 has 24 divisors (see below), whose sum is σ = 139889659392. Its totient is φ = 33261748800.

The previous prime is 73225691569. The next prime is 73225691579. The reversal of 73225691572 is 27519652237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73225691579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500953 + ... + 630400.

It is an arithmetic number, because the mean of its divisors is an integer number (5828735808).

Almost surely, 2^73225691572 is an apocalyptic number.

It is an amenable number.

73225691572 is a deficient number, since it is larger than the sum of its proper divisors (66663967820).

73225691572 is a wasteful number, since it uses less digits than its factorization.

73225691572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132839 (or 1132837 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 49.

The spelling of 73225691572 in words is "seventy-three billion, two hundred twenty-five million, six hundred ninety-one thousand, five hundred seventy-two".