747000665 has 16 divisors (see below), whose sum is σ = 905152512. Its totient is φ = 591784704.

The previous prime is 747000649. The next prime is 747000677. The reversal of 747000665 is 566000747.

It is a cyclic number.

It is not a de Polignac number, because 747000665 - 2⁴ = 747000649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575297 + ... + 576593.

It is an arithmetic number, because the mean of its divisors is an integer number (56572032).

Almost surely, 2^747000665 is an apocalyptic number.

It is an amenable number.

747000665 is a deficient number, since it is larger than the sum of its proper divisors (158151847).

747000665 is a wasteful number, since it uses less digits than its factorization.

747000665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 747000665 is about 27331.3129029690. The cubic root of 747000665 is about 907.3475331187.

The spelling of 747000665 in words is "seven hundred forty-seven million, six hundred sixty-five", and thus it is an aban number.