172426760 has 32 divisors (see below), whose sum is σ = 423230400. Its totient is φ = 62700480.

The previous prime is 172426753. The next prime is 172426763. The reversal of 172426760 is 67624271.

It is a self number, because there is not a number n which added to its sum of digits gives 172426760.

It is not an unprimeable number, because it can be changed into a prime (172426763) 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, 195500 + ... + 196379.

It is an arithmetic number, because the mean of its divisors is an integer number (13225950).

Almost surely, 2^172426760 is an apocalyptic number.

172426760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172426760 is an abundant number, since it is smaller than the sum of its proper divisors (250803640).

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

172426760 is a wasteful number, since it uses less digits than its factorization.

172426760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391901 (or 391897 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 172426760 is about 13131.1370413990. The cubic root of 172426760 is about 556.5893462753.

The spelling of 172426760 in words is "one hundred seventy-two million, four hundred twenty-six thousand, seven hundred sixty".