172700399 has 16 divisors (see below), whose sum is σ = 193259520. Its totient is φ = 153479040.

The previous prime is 172700383. The next prime is 172700401. The reversal of 172700399 is 993007271.

It is a cyclic number.

It is not a de Polignac number, because 172700399 - 2⁴ = 172700383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172700999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28094 + ... + 33684.

It is an arithmetic number, because the mean of its divisors is an integer number (12078720).

Almost surely, 2^172700399 is an apocalyptic number.

172700399 is a deficient number, since it is larger than the sum of its proper divisors (20559121).

172700399 is a wasteful number, since it uses less digits than its factorization.

172700399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 172700399 is about 13141.5523816633. The cubic root of 172700399 is about 556.8836239822.

The spelling of 172700399 in words is "one hundred seventy-two million, seven hundred thousand, three hundred ninety-nine".