72939147601 has 16 divisors (see below), whose sum is σ = 77472184320. Its totient is φ = 68521786960.

The previous prime is 72939147587. The next prime is 72939147629. The reversal of 72939147601 is 10674193927.

It is a cyclic number.

It is not a de Polignac number, because 72939147601 - 2⁷ = 72939147473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72939147401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472406 + ... + 1521136.

It is an arithmetic number, because the mean of its divisors is an integer number (4842011520).

Almost surely, 2^72939147601 is an apocalyptic number.

It is an amenable number.

72939147601 is a deficient number, since it is larger than the sum of its proper divisors (4533036719).

72939147601 is a wasteful number, since it uses less digits than its factorization.

72939147601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49916.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 72939147601 in words is "seventy-two billion, nine hundred thirty-nine million, one hundred forty-seven thousand, six hundred one".