172072659424 has 24 divisors (see below), whose sum is σ = 339177735288. Its totient is φ = 85932282240.

The previous prime is 172072659401. The next prime is 172072659443. The reversal of 172072659424 is 424956270271.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3224607 + ... + 3277534.

It is an arithmetic number, because the mean of its divisors is an integer number (14132405637).

Almost surely, 2^172072659424 is an apocalyptic number.

It is an amenable number.

172072659424 is a deficient number, since it is larger than the sum of its proper divisors (167105075864).

172072659424 is an equidigital number, since it uses as much as digits as its factorization.

172072659424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502978 (or 6502970 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 172072659424 in words is "one hundred seventy-two billion, seventy-two million, six hundred fifty-nine thousand, four hundred twenty-four".