45647668 has 12 divisors (see below), whose sum is σ = 87145632. Its totient is φ = 20748920.

The previous prime is 45647627. The next prime is 45647699. The reversal of 45647668 is 86674654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518680 + ... + 518767.

It is an arithmetic number, because the mean of its divisors is an integer number (7262136).

Almost surely, 2^45647668 is an apocalyptic number.

It is an amenable number.

45647668 is a deficient number, since it is larger than the sum of its proper divisors (41497964).

45647668 is a wasteful number, since it uses less digits than its factorization.

45647668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037462 (or 1037460 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 45647668 is about 6756.3057953293. The cubic root of 45647668 is about 357.3876426544.

The spelling of 45647668 in words is "forty-five million, six hundred forty-seven thousand, six hundred sixty-eight".