45749647 has 2 divisors, whose sum is σ = 45749648. Its totient is φ = 45749646.

The previous prime is 45749623. The next prime is 45749681. The reversal of 45749647 is 74694754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45749647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45749597 and 45749606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45749687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22874823 + 22874824.

It is an arithmetic number, because the mean of its divisors is an integer number (22874824).

Almost surely, 2^45749647 is an apocalyptic number.

45749647 is a deficient number, since it is larger than the sum of its proper divisors (1).

45749647 is an equidigital number, since it uses as much as digits as its factorization.

45749647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 45749647 is about 6763.8485346731. The cubic root of 45749647 is about 357.6535848805.

The spelling of 45749647 in words is "forty-five million, seven hundred forty-nine thousand, six hundred forty-seven".