172068975 has 48 divisors (see below), whose sum is σ = 340429600. Its totient is φ = 84706560.

The previous prime is 172068973. The next prime is 172069033. The reversal of 172068975 is 579860271.

It is not a de Polignac number, because 172068975 - 2¹ = 172068973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 172068975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172068971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1030 + ... + 18579.

Almost surely, 2^172068975 is an apocalyptic number.

172068975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172068975 is a deficient number, since it is larger than the sum of its proper divisors (168360625).

172068975 is a wasteful number, since it uses less digits than its factorization.

172068975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19641 (or 19630 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 172068975 is about 13117.5064322454. The cubic root of 172068975 is about 556.2041059640.

The spelling of 172068975 in words is "one hundred seventy-two million, sixty-eight thousand, nine hundred seventy-five".