45768731 has 2 divisors, whose sum is σ = 45768732. Its totient is φ = 45768730.

The previous prime is 45768721. The next prime is 45768763. The reversal of 45768731 is 13786754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45768731 is a prime.

It is a super-2 number, since 2×45768731² = 4189553474700722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45768721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22884365 + 22884366.

It is an arithmetic number, because the mean of its divisors is an integer number (22884366).

Almost surely, 2^45768731 is an apocalyptic number.

45768731 is a deficient number, since it is larger than the sum of its proper divisors (1).

45768731 is an equidigital number, since it uses as much as digits as its factorization.

45768731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 45768731 is about 6765.2591229014. The cubic root of 45768731 is about 357.7033084859.

The spelling of 45768731 in words is "forty-five million, seven hundred sixty-eight thousand, seven hundred thirty-one".