172556034 has 16 divisors (see below), whose sum is σ = 394413888. Its totient is φ = 49301712.

The previous prime is 172556029. The next prime is 172556039. The reversal of 172556034 is 430655271.

It is an interprime number because it is at equal distance from previous prime (172556029) and next prime (172556039).

It is a junction number, because it is equal to n+sod(n) for n = 172555986 and 172556004.

It is not an unprimeable number, because it can be changed into a prime (172556039) 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 7 ways as a sum of consecutive naturals, for example, 2054197 + ... + 2054280.

It is an arithmetic number, because the mean of its divisors is an integer number (24650868).

Almost surely, 2^172556034 is an apocalyptic number.

172556034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

172556034 is an abundant number, since it is smaller than the sum of its proper divisors (221857854).

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

172556034 is a wasteful number, since it uses less digits than its factorization.

172556034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108489.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 172556034 is about 13136.0585412825. The cubic root of 172556034 is about 556.7284092933.

The spelling of 172556034 in words is "one hundred seventy-two million, five hundred fifty-six thousand, thirty-four".