45570739 has 2 divisors, whose sum is σ = 45570740. Its totient is φ = 45570738.

The previous prime is 45570709. The next prime is 45570781. The reversal of 45570739 is 93707554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45570739 - 2¹⁹ = 45046451 is a prime.

It is a super-2 number, since 2×45570739² = 4153384506012242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45570709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22785369 + 22785370.

It is an arithmetic number, because the mean of its divisors is an integer number (22785370).

Almost surely, 2^45570739 is an apocalyptic number.

45570739 is a deficient number, since it is larger than the sum of its proper divisors (1).

45570739 is an equidigital number, since it uses as much as digits as its factorization.

45570739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 45570739 is about 6750.6102687090. The cubic root of 45570739 is about 357.1867639505.

The spelling of 45570739 in words is "forty-five million, five hundred seventy thousand, seven hundred thirty-nine".