172379667 has 8 divisors (see below), whose sum is σ = 232071424. Its totient is φ = 113803848.

The previous prime is 172379657. The next prime is 172379671. The reversal of 172379667 is 766973271.

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

It is not a de Polignac number, because 172379667 - 2¹⁰ = 172378643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172379617) 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, 278623 + ... + 279240.

It is an arithmetic number, because the mean of its divisors is an integer number (29008928).

Almost surely, 2^172379667 is an apocalyptic number.

172379667 is a deficient number, since it is larger than the sum of its proper divisors (59691757).

172379667 is a wasteful number, since it uses less digits than its factorization.

172379667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557969.

The product of its digits is 666792, while the sum is 48.

The square root of 172379667 is about 13129.3437383595. The cubic root of 172379667 is about 556.5386699790.

The spelling of 172379667 in words is "one hundred seventy-two million, three hundred seventy-nine thousand, six hundred sixty-seven".