747996171 has 8 divisors (see below), whose sum is σ = 1074045840. Its totient is φ = 460305312.

The previous prime is 747996131. The next prime is 747996229. The reversal of 747996171 is 171699747.

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

It is not a de Polignac number, because 747996171 - 2⁹ = 747995659 is a prime.

It is a super-2 number, since 2×747996171² = 1118996543661322482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747996131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9589656 + ... + 9589733.

It is an arithmetic number, because the mean of its divisors is an integer number (134255730).

Almost surely, 2^747996171 is an apocalyptic number.

747996171 is a deficient number, since it is larger than the sum of its proper divisors (326049669).

747996171 is a wasteful number, since it uses less digits than its factorization.

747996171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19179405.

The product of its digits is 666792, while the sum is 51.

The square root of 747996171 is about 27349.5186612123. The cubic root of 747996171 is about 907.7504193983.

The spelling of 747996171 in words is "seven hundred forty-seven million, nine hundred ninety-six thousand, one hundred seventy-one".