45621727 has 12 divisors (see below), whose sum is σ = 50044176. Its totient is φ = 41444480.

The previous prime is 45621721. The next prime is 45621731. The reversal of 45621727 is 72712654.

It is a de Polignac number, because none of the positive numbers 2^k-45621727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45621692 and 45621701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45621721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12702 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (4170348).

Almost surely, 2^45621727 is an apocalyptic number.

45621727 is a deficient number, since it is larger than the sum of its proper divisors (4422449).

45621727 is a wasteful number, since it uses less digits than its factorization.

45621727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 3237 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 45621727 is about 6754.3857603782. The cubic root of 45621727 is about 357.3199301805.

The spelling of 45621727 in words is "forty-five million, six hundred twenty-one thousand, seven hundred twenty-seven".