747734171 has 4 divisors (see below), whose sum is σ = 791718552. Its totient is φ = 703749792.

The previous prime is 747734153. The next prime is 747734203. The reversal of 747734171 is 171437747.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171437747 = 13 ⋅13187519.

It is a cyclic number.

It is not a de Polignac number, because 747734171 - 2⁶ = 747734107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747734111) 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 3 ways as a sum of consecutive naturals, for example, 21992165 + ... + 21992198.

It is an arithmetic number, because the mean of its divisors is an integer number (197929638).

Almost surely, 2^747734171 is an apocalyptic number.

747734171 is a deficient number, since it is larger than the sum of its proper divisors (43984381).

747734171 is a wasteful number, since it uses less digits than its factorization.

747734171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43984380.

The product of its digits is 115248, while the sum is 41.

The square root of 747734171 is about 27344.7283950673. The cubic root of 747734171 is about 907.6444213585.

The spelling of 747734171 in words is "seven hundred forty-seven million, seven hundred thirty-four thousand, one hundred seventy-one".