72669692575 has 12 divisors (see below), whose sum is σ = 91810617048. Its totient is φ = 57038852000.

The previous prime is 72669692533. The next prime is 72669692591. The reversal of 72669692575 is 57529696627.

It is not a de Polignac number, because 72669692575 - 2⁹ = 72669692063 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 27421201 + ... + 27423850.

It is an arithmetic number, because the mean of its divisors is an integer number (7650884754).

Almost surely, 2^72669692575 is an apocalyptic number.

72669692575 is a deficient number, since it is larger than the sum of its proper divisors (19140924473).

72669692575 is a wasteful number, since it uses less digits than its factorization.

72669692575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54845114 (or 54845109 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 64.

The spelling of 72669692575 in words is "seventy-two billion, six hundred sixty-nine million, six hundred ninety-two thousand, five hundred seventy-five".