172992936 has 64 divisors (see below), whose sum is σ = 457113600. Its totient is φ = 54445248.

The previous prime is 172992931. The next prime is 172992973. The reversal of 172992936 is 639299271.

172992936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (172992931) 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, 41625 + ... + 45591.

It is an arithmetic number, because the mean of its divisors is an integer number (7142400).

Almost surely, 2^172992936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172992936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228556800).

172992936 is an abundant number, since it is smaller than the sum of its proper divisors (284120664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172992936 is a wasteful number, since it uses less digits than its factorization.

172992936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078 (or 4074 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 172992936 is about 13152.6779022372. The cubic root of 172992936 is about 557.1978814445.

The spelling of 172992936 in words is "one hundred seventy-two million, nine hundred ninety-two thousand, nine hundred thirty-six".