45570709 has 2 divisors, whose sum is σ = 45570710. Its totient is φ = 45570708.

The previous prime is 45570691. The next prime is 45570739. The reversal of 45570709 is 90707554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 7006609 = 6210^2 + 2647^2 .

It is a cyclic number.

It is not a de Polignac number, because 45570709 - 2⁵ = 45570677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45570739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22785354 + 22785355.

It is an arithmetic number, because the mean of its divisors is an integer number (22785355).

Almost surely, 2^45570709 is an apocalyptic number.

It is an amenable number.

45570709 is a deficient number, since it is larger than the sum of its proper divisors (1).

45570709 is an equidigital number, since it uses as much as digits as its factorization.

45570709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 45570709 is about 6750.6080466874. The cubic root of 45570709 is about 357.1866855697.

The spelling of 45570709 in words is "forty-five million, five hundred seventy thousand, seven hundred nine".