172560460 has 24 divisors (see below), whose sum is σ = 368320176. Its totient is φ = 67892160.

The previous prime is 172560457. The next prime is 172560463. The reversal of 172560460 is 64065271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (172560457) and next prime (172560463).

It is a super-2 number, since 2×172560460² = 59554224710823200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (172560463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69502 + ... + 71941.

It is an arithmetic number, because the mean of its divisors is an integer number (15346674).

Almost surely, 2^172560460 is an apocalyptic number.

172560460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172560460 is an abundant number, since it is smaller than the sum of its proper divisors (195759716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172560460 is a wasteful number, since it uses less digits than its factorization.

172560460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141513 (or 141511 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 172560460 is about 13136.2270077827. The cubic root of 172560460 is about 556.7331692136.

The spelling of 172560460 in words is "one hundred seventy-two million, five hundred sixty thousand, four hundred sixty".