747906865 has 8 divisors (see below), whose sum is σ = 898073280. Its totient is φ = 597935472.

The previous prime is 747906821. The next prime is 747906877. The reversal of 747906865 is 568609747.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 747906865 - 2²⁵ = 714352433 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40179 + ... + 55768.

It is an arithmetic number, because the mean of its divisors is an integer number (112259160).

Almost surely, 2^747906865 is an apocalyptic number.

It is an amenable number.

747906865 is a deficient number, since it is larger than the sum of its proper divisors (150166415).

747906865 is a wasteful number, since it uses less digits than its factorization.

747906865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97511.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 747906865 is about 27347.8859329199. The cubic root of 747906865 is about 907.7142914123.

The spelling of 747906865 in words is "seven hundred forty-seven million, nine hundred six thousand, eight hundred sixty-five".