172584968 has 8 divisors (see below), whose sum is σ = 323596830. Its totient is φ = 86292480.

The previous prime is 172584959. The next prime is 172584977. The reversal of 172584968 is 869485271.

It is an interprime number because it is at equal distance from previous prime (172584959) and next prime (172584977).

It can be written as a sum of positive squares in only one way, i.e., 144048004 + 28536964 = 12002^2 + 5342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×172584968² = 59571142359122048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10786553 + ... + 10786568.

Almost surely, 2^172584968 is an apocalyptic number.

It is an amenable number.

172584968 is a deficient number, since it is larger than the sum of its proper divisors (151011862).

172584968 is a wasteful number, since it uses less digits than its factorization.

172584968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21573127 (or 21573123 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 172584968 is about 13137.1598148154. The cubic root of 172584968 is about 556.7595247503.

The spelling of 172584968 in words is "one hundred seventy-two million, five hundred eighty-four thousand, nine hundred sixty-eight".