172265950 has 24 divisors (see below), whose sum is σ = 320771880. Its totient is φ = 68829600.

The previous prime is 172265923. The next prime is 172265957. The reversal of 172265950 is 59562271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172265957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70245 + ... + 72655.

It is an arithmetic number, because the mean of its divisors is an integer number (13365495).

Almost surely, 2^172265950 is an apocalyptic number.

172265950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172265950 is a deficient number, since it is larger than the sum of its proper divisors (148505930).

172265950 is a wasteful number, since it uses less digits than its factorization.

172265950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852 (or 3847 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 172265950 is about 13125.0123809465. The cubic root of 172265950 is about 556.4162622130.

The spelling of 172265950 in words is "one hundred seventy-two million, two hundred sixty-five thousand, nine hundred fifty".