747166117 has 4 divisors (see below), whose sum is σ = 747483616. Its totient is φ = 746848620.

The previous prime is 747166087. The next prime is 747166139. The reversal of 747166117 is 711661747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711661747 = 9011 ⋅78977.

It is a cyclic number.

It is not a de Polignac number, because 747166117 - 2⁷ = 747165989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 747166117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747166177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155193 + ... + 159934.

It is an arithmetic number, because the mean of its divisors is an integer number (186870904).

Almost surely, 2^747166117 is an apocalyptic number.

It is an amenable number.

747166117 is a deficient number, since it is larger than the sum of its proper divisors (317499).

747166117 is a wasteful number, since it uses less digits than its factorization.

747166117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317498.

The product of its digits is 49392, while the sum is 40.

The square root of 747166117 is about 27334.3395200982. The cubic root of 747166117 is about 907.4145171652.

The spelling of 747166117 in words is "seven hundred forty-seven million, one hundred sixty-six thousand, one hundred seventeen".