45687793 has 2 divisors, whose sum is σ = 45687794. Its totient is φ = 45687792.

The previous prime is 45687757. The next prime is 45687797. The reversal of 45687793 is 39778654.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42614784 + 3073009 = 6528^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 45687793 - 2⁹ = 45687281 is a prime.

It is not a weakly prime, because it can be changed into another prime (45687797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22843896 + 22843897.

It is an arithmetic number, because the mean of its divisors is an integer number (22843897).

Almost surely, 2^45687793 is an apocalyptic number.

It is an amenable number.

45687793 is a deficient number, since it is larger than the sum of its proper divisors (1).

45687793 is an equidigital number, since it uses as much as digits as its factorization.

45687793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 45687793 is about 6759.2745912561. The cubic root of 45687793 is about 357.4923283926.

The spelling of 45687793 in words is "forty-five million, six hundred eighty-seven thousand, seven hundred ninety-three".