172150070 has 48 divisors (see below), whose sum is σ = 334944720. Its totient is φ = 63661248.

The previous prime is 172150067. The next prime is 172150087. The reversal of 172150070 is 70051271.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 154676 + ... + 155784.

It is an arithmetic number, because the mean of its divisors is an integer number (6978015).

Almost surely, 2^172150070 is an apocalyptic number.

172150070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172150070 is a deficient number, since it is larger than the sum of its proper divisors (162794650).

172150070 is a wasteful number, since it uses less digits than its factorization.

172150070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 172150070 is about 13120.5971662878. The cubic root of 172150070 is about 556.2914707119.

The spelling of 172150070 in words is "one hundred seventy-two million, one hundred fifty thousand, seventy".