172772614720 has 56 divisors (see below), whose sum is σ = 411716793024. Its totient is φ = 69058315776.

The previous prime is 172772614697. The next prime is 172772614723. The reversal of 172772614720 is 27416277271.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (172772614723) 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, 239959 + ... + 634921.

Almost surely, 2^172772614720 is an apocalyptic number.

172772614720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172772614720 is an abundant number, since it is smaller than the sum of its proper divisors (238944178304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172772614720 is a wasteful number, since it uses less digits than its factorization.

172772614720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396347 (or 396337 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 46.

The spelling of 172772614720 in words is "one hundred seventy-two billion, seven hundred seventy-two million, six hundred fourteen thousand, seven hundred twenty".