172030836 has 12 divisors (see below), whose sum is σ = 401405312. Its totient is φ = 57343608.

The previous prime is 172030829. The next prime is 172030847. The reversal of 172030836 is 638030271.

172030836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7167940 + ... + 7167963.

Almost surely, 2^172030836 is an apocalyptic number.

It is an amenable number.

172030836 is an abundant number, since it is smaller than the sum of its proper divisors (229374476).

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

172030836 is a wasteful number, since it uses less digits than its factorization.

172030836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335910 (or 14335908 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 172030836 is about 13116.0526073968. The cubic root of 172030836 is about 556.1630088093.

The spelling of 172030836 in words is "one hundred seventy-two million, thirty thousand, eight hundred thirty-six".