172906244 has 12 divisors (see below), whose sum is σ = 345812544. Its totient is φ = 74102664.

The previous prime is 172906187. The next prime is 172906277. The reversal of 172906244 is 442609271.

172906244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

172906244 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 3087584 + ... + 3087639.

It is an arithmetic number, because the mean of its divisors is an integer number (28817712).

Almost surely, 2^172906244 is an apocalyptic number.

172906244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172906244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

172906244 is a wasteful number, since it uses less digits than its factorization.

172906244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175234 (or 6175232 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 172906244 is about 13149.3818866135. The cubic root of 172906244 is about 557.1047896473.

The spelling of 172906244 in words is "one hundred seventy-two million, nine hundred six thousand, two hundred forty-four".