172970699 has 32 divisors (see below), whose sum is σ = 213062400. Its totient is φ = 138378240.

The previous prime is 172970657. The next prime is 172970719. The reversal of 172970699 is 996079271.

It is not a de Polignac number, because 172970699 - 2⁸ = 172970443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172972699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315944 + ... + 316490.

It is an arithmetic number, because the mean of its divisors is an integer number (6658200).

Almost surely, 2^172970699 is an apocalyptic number.

172970699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

172970699 is a deficient number, since it is larger than the sum of its proper divisors (40091701).

172970699 is a wasteful number, since it uses less digits than its factorization.

172970699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 172970699 is about 13151.8325339095. The cubic root of 172970699 is about 557.1740058256.

The spelling of 172970699 in words is "one hundred seventy-two million, nine hundred seventy thousand, six hundred ninety-nine".