45673709 has 2 divisors, whose sum is σ = 45673710. Its totient is φ = 45673708.

The previous prime is 45673703. The next prime is 45673763. The reversal of 45673709 is 90737654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38502025 + 7171684 = 6205^2 + 2678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45673709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45673703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22836854 + 22836855.

It is an arithmetic number, because the mean of its divisors is an integer number (22836855).

Almost surely, 2^45673709 is an apocalyptic number.

It is an amenable number.

45673709 is a deficient number, since it is larger than the sum of its proper divisors (1).

45673709 is an equidigital number, since it uses as much as digits as its factorization.

45673709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 45673709 is about 6758.2326831798. The cubic root of 45673709 is about 357.4555903562.

The spelling of 45673709 in words is "forty-five million, six hundred seventy-three thousand, seven hundred nine".