45727747 has 8 divisors (see below), whose sum is σ = 49634816. Its totient is φ = 41876352.

The previous prime is 45727741. The next prime is 45727793. The reversal of 45727747 is 74772754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45727747 - 2²³ = 37339139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45727741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12198 + ... + 15499.

It is an arithmetic number, because the mean of its divisors is an integer number (6204352).

Almost surely, 2^45727747 is an apocalyptic number.

45727747 is a deficient number, since it is larger than the sum of its proper divisors (3907069).

45727747 is a wasteful number, since it uses less digits than its factorization.

45727747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27837.

The product of its digits is 384160, while the sum is 43.

The square root of 45727747 is about 6762.2294400590. The cubic root of 45727747 is about 357.5965071094.

The spelling of 45727747 in words is "forty-five million, seven hundred twenty-seven thousand, seven hundred forty-seven".