45527747 has 4 divisors (see below), whose sum is σ = 46996416. Its totient is φ = 44059080.

The previous prime is 45527737. The next prime is 45527759. The reversal of 45527747 is 74772554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74772554 = 2 ⋅37386277.

It is a cyclic number.

It is not a de Polignac number, because 45527747 - 2⁴ = 45527731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45527737) 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, 734288 + ... + 734349.

It is an arithmetic number, because the mean of its divisors is an integer number (11749104).

Almost surely, 2^45527747 is an apocalyptic number.

45527747 is a deficient number, since it is larger than the sum of its proper divisors (1468669).

45527747 is a wasteful number, since it uses less digits than its factorization.

45527747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468668.

The product of its digits is 274400, while the sum is 41.

The square root of 45527747 is about 6747.4252126274. The cubic root of 45527747 is about 357.0744038023.

The spelling of 45527747 in words is "forty-five million, five hundred twenty-seven thousand, seven hundred forty-seven".