172056030 has 16 divisors (see below), whose sum is σ = 412934544. Its totient is φ = 45881600.

The previous prime is 172056023. The next prime is 172056037. The reversal of 172056030 is 30650271.

It is an interprime number because it is at equal distance from previous prime (172056023) and next prime (172056037).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172056037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867571 + ... + 2867630.

It is an arithmetic number, because the mean of its divisors is an integer number (25808409).

Almost surely, 2^172056030 is an apocalyptic number.

172056030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172056030 is an abundant number, since it is smaller than the sum of its proper divisors (240878514).

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

172056030 is a wasteful number, since it uses less digits than its factorization.

172056030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735211.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 172056030 is about 13117.0129983926. The cubic root of 172056030 is about 556.1901575988.

The spelling of 172056030 in words is "one hundred seventy-two million, fifty-six thousand, thirty".