172004980 has 48 divisors (see below), whose sum is σ = 437101056. Its totient is φ = 55503360.

The previous prime is 172004977. The next prime is 172005011. The reversal of 172004980 is 89400271.

172004980 = 1725² + 1726² + ... + 1780².

It is a congruent number.

It is an unprimeable number.

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, 33756 + ... + 38515.

It is an arithmetic number, because the mean of its divisors is an integer number (9106272).

Almost surely, 2^172004980 is an apocalyptic number.

172004980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172004980 is an abundant number, since it is smaller than the sum of its proper divisors (265096076).

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

172004980 is a wasteful number, since it uses less digits than its factorization.

172004980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72304 (or 72302 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 172004980 is about 13115.0669079498. The cubic root of 172004980 is about 556.1351438993.

The spelling of 172004980 in words is "one hundred seventy-two million, four thousand, nine hundred eighty".