45742767668 has 12 divisors (see below), whose sum is σ = 86207523780. Its totient is φ = 21112046592.

The previous prime is 45742767649. The next prime is 45742767677. The reversal of 45742767668 is 86676724754.

It can be written as a sum of positive squares in 2 ways, for example, as 27178160164 + 18564607504 = 164858^2 + 136252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45742767668.

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, 439834253 + ... + 439834356.

It is an arithmetic number, because the mean of its divisors is an integer number (7183960315).

Almost surely, 2^45742767668 is an apocalyptic number.

It is an amenable number.

45742767668 is a deficient number, since it is larger than the sum of its proper divisors (40464756112).

45742767668 is a wasteful number, since it uses less digits than its factorization.

45742767668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879668626 (or 879668624 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 62.

The spelling of 45742767668 in words is "forty-five billion, seven hundred forty-two million, seven hundred sixty-seven thousand, six hundred sixty-eight".