172563130 has 32 divisors (see below), whose sum is σ = 328484160. Its totient is φ = 65088000.

The previous prime is 172563121. The next prime is 172563133. The reversal of 172563130 is 31365271.

It is not an unprimeable number, because it can be changed into a prime (172563133) 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 15 ways as a sum of consecutive naturals, for example, 41130 + ... + 45130.

It is an arithmetic number, because the mean of its divisors is an integer number (10265130).

Almost surely, 2^172563130 is an apocalyptic number.

172563130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172563130 is a deficient number, since it is larger than the sum of its proper divisors (155921030).

172563130 is a wasteful number, since it uses less digits than its factorization.

172563130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 172563130 is about 13136.3286347442. The cubic root of 172563130 is about 556.7360406128.

The spelling of 172563130 in words is "one hundred seventy-two million, five hundred sixty-three thousand, one hundred thirty".