172799070 has 32 divisors (see below), whose sum is σ = 419973120. Its totient is φ = 45495840.

The previous prime is 172799057. The next prime is 172799089. The reversal of 172799070 is 70997271.

172799070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34086 + ... + 38825.

It is an arithmetic number, because the mean of its divisors is an integer number (13124160).

Almost surely, 2^172799070 is an apocalyptic number.

172799070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172799070 is an abundant number, since it is smaller than the sum of its proper divisors (247174050).

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

172799070 is a wasteful number, since it uses less digits than its factorization.

172799070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73000.

The product of its (nonzero) digits is 55566, while the sum is 42.

The square root of 172799070 is about 13145.3060063279. The cubic root of 172799070 is about 556.9896608008.

The spelling of 172799070 in words is "one hundred seventy-two million, seven hundred ninety-nine thousand, seventy".