172473075 has 72 divisors (see below), whose sum is σ = 332465328. Its totient is φ = 85155840.

The previous prime is 172473073. The next prime is 172473083. The reversal of 172473075 is 570374271.

It is not a de Polignac number, because 172473075 - 2¹ = 172473073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172473073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 255939 + ... + 256611.

It is an arithmetic number, because the mean of its divisors is an integer number (4617574).

Almost surely, 2^172473075 is an apocalyptic number.

172473075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172473075 is a deficient number, since it is larger than the sum of its proper divisors (159992253).

172473075 is a wasteful number, since it uses less digits than its factorization.

172473075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 172473075 is about 13132.9004793305. The cubic root of 172473075 is about 556.6391763748.

The spelling of 172473075 in words is "one hundred seventy-two million, four hundred seventy-three thousand, seventy-five".