45737947 has 2 divisors, whose sum is σ = 45737948. Its totient is φ = 45737946.

The previous prime is 45737933. The next prime is 45737953. The reversal of 45737947 is 74973754.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45737947 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45737897 and 45737906.

It is not a weakly prime, because it can be changed into another prime (45737647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22868973 + 22868974.

It is an arithmetic number, because the mean of its divisors is an integer number (22868974).

Almost surely, 2^45737947 is an apocalyptic number.

45737947 is a deficient number, since it is larger than the sum of its proper divisors (1).

45737947 is an equidigital number, since it uses as much as digits as its factorization.

45737947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 46.

The square root of 45737947 is about 6762.9835871455. The cubic root of 45737947 is about 357.6230935435.

The spelling of 45737947 in words is "forty-five million, seven hundred thirty-seven thousand, nine hundred forty-seven".