172714678736 has 40 divisors (see below), whose sum is σ = 340172112264. Its totient is φ = 84928757760.

The previous prime is 172714678729. The next prime is 172714678751. The reversal of 172714678736 is 637876417271.

It can be written as a sum of positive squares in 4 ways, for example, as 5499112336 + 167215566400 = 74156^2 + 408920^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11330576 + ... + 11345808.

Almost surely, 2^172714678736 is an apocalyptic number.

172714678736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172714678736 is a deficient number, since it is larger than the sum of its proper divisors (167457433528).

172714678736 is a wasteful number, since it uses less digits than its factorization.

172714678736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26919 (or 26913 counting only the distinct ones).

The product of its digits is 16595712, while the sum is 59.

The spelling of 172714678736 in words is "one hundred seventy-two billion, seven hundred fourteen million, six hundred seventy-eight thousand, seven hundred thirty-six".