45757727 has 4 divisors (see below), whose sum is σ = 48449376. Its totient is φ = 43066080.

The previous prime is 45757721. The next prime is 45757729. The reversal of 45757727 is 72775754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45757727 - 2²⁰ = 44709151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45757721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345799 + ... + 1345832.

It is an arithmetic number, because the mean of its divisors is an integer number (12112344).

Almost surely, 2^45757727 is an apocalyptic number.

45757727 is a deficient number, since it is larger than the sum of its proper divisors (2691649).

45757727 is a wasteful number, since it uses less digits than its factorization.

45757727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691648.

The product of its digits is 480200, while the sum is 44.

The square root of 45757727 is about 6764.4458013942. The cubic root of 45757727 is about 357.6746391111.

The spelling of 45757727 in words is "forty-five million, seven hundred fifty-seven thousand, seven hundred twenty-seven".