172100703432 has 64 divisors (see below), whose sum is σ = 496785582720. Its totient is φ = 48664700928.

The previous prime is 172100703407. The next prime is 172100703449. The reversal of 172100703432 is 234307001271.

It is a self number, because there is not a number n which added to its sum of digits gives 172100703432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5264163 + ... + 5296754.

It is an arithmetic number, because the mean of its divisors is an integer number (7762274730).

Almost surely, 2^172100703432 is an apocalyptic number.

172100703432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172100703432 is an abundant number, since it is smaller than the sum of its proper divisors (324684879288).

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

172100703432 is a wasteful number, since it uses less digits than its factorization.

172100703432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10561030 (or 10561026 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 172100703432 in words is "one hundred seventy-two billion, one hundred million, seven hundred three thousand, four hundred thirty-two".