172142750 has 32 divisors (see below), whose sum is σ = 347046336. Its totient is φ = 63559200.

The previous prime is 172142713. The next prime is 172142779. The reversal of 172142750 is 57241271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23234 + ... + 29733.

It is an arithmetic number, because the mean of its divisors is an integer number (10845198).

Almost surely, 2^172142750 is an apocalyptic number.

172142750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172142750 is an abundant number, since it is smaller than the sum of its proper divisors (174903586).

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

172142750 is a wasteful number, since it uses less digits than its factorization.

172142750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52997 (or 52987 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 172142750 is about 13120.3182126044. The cubic root of 172142750 is about 556.2835859029.

The spelling of 172142750 in words is "one hundred seventy-two million, one hundred forty-two thousand, seven hundred fifty".