172707037893 has 32 divisors (see below), whose sum is σ = 278945815680. Its totient is φ = 106281236592.

The previous prime is 172707037883. The next prime is 172707037907. The reversal of 172707037893 is 398730707271.

It is not a de Polignac number, because 172707037893 - 2³⁶ = 103987561157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172707037883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3008871 + ... + 3065732.

It is an arithmetic number, because the mean of its divisors is an integer number (8717056740).

Almost surely, 2^172707037893 is an apocalyptic number.

172707037893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

172707037893 is a deficient number, since it is larger than the sum of its proper divisors (106238777787).

172707037893 is an frugal number, since it uses more digits than its factorization.

172707037893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6074637 (or 6074619 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The spelling of 172707037893 in words is "one hundred seventy-two billion, seven hundred seven million, thirty-seven thousand, eight hundred ninety-three".