172057004 has 12 divisors (see below), whose sum is σ = 344114064. Its totient is φ = 73738704.

The previous prime is 172057003. The next prime is 172057007. The reversal of 172057004 is 400750271.

172057004 is an admirable number.

It is a super-2 number, since 2×172057004² = 59207225250912032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172057001) 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 3 ways as a sum of consecutive naturals, for example, 3072419 + ... + 3072474.

It is an arithmetic number, because the mean of its divisors is an integer number (28676172).

Almost surely, 2^172057004 is an apocalyptic number.

172057004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172057004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

172057004 is a wasteful number, since it uses less digits than its factorization.

172057004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144904 (or 6144902 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 172057004 is about 13117.0501256952. The cubic root of 172057004 is about 556.1912071178.

The spelling of 172057004 in words is "one hundred seventy-two million, fifty-seven thousand, four".