172379433 has 8 divisors (see below), whose sum is σ = 230447200. Its totient is φ = 114615648.

The previous prime is 172379423. The next prime is 172379453. The reversal of 172379433 is 334973271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172379433 - 2⁵ = 172379401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172379391 and 172379400.

It is not an unprimeable number, because it can be changed into a prime (172379423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74668 + ... + 76941.

It is an arithmetic number, because the mean of its divisors is an integer number (28805900).

Almost surely, 2^172379433 is an apocalyptic number.

It is an amenable number.

172379433 is a deficient number, since it is larger than the sum of its proper divisors (58067767).

172379433 is a wasteful number, since it uses less digits than its factorization.

172379433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151991.

The product of its digits is 95256, while the sum is 39.

The square root of 172379433 is about 13129.3348270200. The cubic root of 172379433 is about 556.5384181510.

The spelling of 172379433 in words is "one hundred seventy-two million, three hundred seventy-nine thousand, four hundred thirty-three".