172974367009 has 8 divisors (see below), whose sum is σ = 175010581088. Its totient is φ = 170943315840.

The previous prime is 172974367003. The next prime is 172974367031. The reversal of 172974367009 is 900763479271.

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

It is a cyclic number.

It is not a de Polignac number, because 172974367009 - 2²⁷ = 172840149281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172974367003) 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, 1223307 + ... + 1357360.

It is an arithmetic number, because the mean of its divisors is an integer number (21876322636).

Almost surely, 2^172974367009 is an apocalyptic number.

It is an amenable number.

172974367009 is a deficient number, since it is larger than the sum of its proper divisors (2036214079).

172974367009 is an equidigital number, since it uses as much as digits as its factorization.

172974367009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581455.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 172974367009 in words is "one hundred seventy-two billion, nine hundred seventy-four million, three hundred sixty-seven thousand, nine".