45742761 has 6 divisors (see below), whose sum is σ = 66072890. Its totient is φ = 30495168.

The previous prime is 45742751. The next prime is 45742769. The reversal of 45742761 is 16724754.

45742761 is a `hidden beast` number, since 4 + 574 + 27 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 99225 = 6756^2 + 315^2 .

It is not a de Polignac number, because 45742761 - 2¹¹ = 45740713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45742769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2541256 + ... + 2541273.

Almost surely, 2^45742761 is an apocalyptic number.

It is an amenable number.

45742761 is a deficient number, since it is larger than the sum of its proper divisors (20330129).

45742761 is a wasteful number, since it uses less digits than its factorization.

45742761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082535 (or 5082532 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 45742761 is about 6763.3394857866. The cubic root of 45742761 is about 357.6356399249.

The spelling of 45742761 in words is "forty-five million, seven hundred forty-two thousand, seven hundred sixty-one".