172004965 has 16 divisors (see below), whose sum is σ = 226898496. Its totient is φ = 124134400.

The previous prime is 172004951. The next prime is 172004969. The reversal of 172004965 is 569400271.

It is a de Polignac number, because none of the positive numbers 2^k-172004965 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172004965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172004969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4732 + ... + 19141.

It is an arithmetic number, because the mean of its divisors is an integer number (14181156).

Almost surely, 2^172004965 is an apocalyptic number.

It is an amenable number.

172004965 is a deficient number, since it is larger than the sum of its proper divisors (54893531).

172004965 is a wasteful number, since it uses less digits than its factorization.

172004965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24020.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 172004965 is about 13115.0663360884. The cubic root of 172004965 is about 556.1351277331.

The spelling of 172004965 in words is "one hundred seventy-two million, four thousand, nine hundred sixty-five".