172980327 has 16 divisors (see below), whose sum is σ = 249915008. Its totient is φ = 105792480.

The previous prime is 172980317. The next prime is 172980343. The reversal of 172980327 is 723089271.

It is not a de Polignac number, because 172980327 - 2¹¹ = 172978279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172980307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7249 + ... + 19962.

It is an arithmetic number, because the mean of its divisors is an integer number (15619688).

Almost surely, 2^172980327 is an apocalyptic number.

172980327 is a deficient number, since it is larger than the sum of its proper divisors (76934681).

172980327 is a wasteful number, since it uses less digits than its factorization.

172980327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27390.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 172980327 is about 13152.1985614573. The cubic root of 172980327 is about 557.1843435530.

The spelling of 172980327 in words is "one hundred seventy-two million, nine hundred eighty thousand, three hundred twenty-seven".