172477964 has 24 divisors (see below), whose sum is σ = 312757200. Its totient is φ = 83128640.

The previous prime is 172477933. The next prime is 172477967. The reversal of 172477964 is 469774271.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (172477967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136367 + ... + 137625.

It is an arithmetic number, because the mean of its divisors is an integer number (13031550).

Almost surely, 2^172477964 is an apocalyptic number.

It is an amenable number.

172477964 is a deficient number, since it is larger than the sum of its proper divisors (140279236).

172477964 is a wasteful number, since it uses less digits than its factorization.

172477964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2471 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 172477964 is about 13133.0866135878. The cubic root of 172477964 is about 556.6444359073.

The spelling of 172477964 in words is "one hundred seventy-two million, four hundred seventy-seven thousand, nine hundred sixty-four".