172424793 has 16 divisors (see below), whose sum is σ = 232001280. Its totient is φ = 113904336.

The previous prime is 172424731. The next prime is 172424801. The reversal of 172424793 is 397424271.

It is not a de Polignac number, because 172424793 - 2¹⁴ = 172408409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172424723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293446 + ... + 294032.

It is an arithmetic number, because the mean of its divisors is an integer number (14500080).

Almost surely, 2^172424793 is an apocalyptic number.

It is an amenable number.

172424793 is a deficient number, since it is larger than the sum of its proper divisors (59576487).

172424793 is a wasteful number, since it uses less digits than its factorization.

172424793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316.

The product of its digits is 84672, while the sum is 39.

The square root of 172424793 is about 13131.0621428733. The cubic root of 172424793 is about 556.5872297913.

The spelling of 172424793 in words is "one hundred seventy-two million, four hundred twenty-four thousand, seven hundred ninety-three".