45607729 has 2 divisors, whose sum is σ = 45607730. Its totient is φ = 45607728.

The previous prime is 45607697. The next prime is 45607739. The reversal of 45607729 is 92770654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45589504 + 18225 = 6752^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 45607729 - 2⁵ = 45607697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45607691 and 45607700.

It is not a weakly prime, because it can be changed into another prime (45607739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22803864 + 22803865.

It is an arithmetic number, because the mean of its divisors is an integer number (22803865).

Almost surely, 2^45607729 is an apocalyptic number.

It is an amenable number.

45607729 is a deficient number, since it is larger than the sum of its proper divisors (1).

45607729 is an equidigital number, since it uses as much as digits as its factorization.

45607729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 45607729 is about 6753.3494652654. The cubic root of 45607729 is about 357.2833812497.

The spelling of 45607729 in words is "forty-five million, six hundred seven thousand, seven hundred twenty-nine".