43725727 has 2 divisors, whose sum is σ = 43725728. Its totient is φ = 43725726.

The previous prime is 43725713. The next prime is 43725733. The reversal of 43725727 is 72752734.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43725727 - 2¹⁵ = 43692959 is a prime.

It is a Chen prime.

It is equal to p_2645767 and since 43725727 and 2645767 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43725427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21862863 + 21862864.

It is an arithmetic number, because the mean of its divisors is an integer number (21862864).

Almost surely, 2^43725727 is an apocalyptic number.

43725727 is a deficient number, since it is larger than the sum of its proper divisors (1).

43725727 is an equidigital number, since it uses as much as digits as its factorization.

43725727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 37.

The square root of 43725727 is about 6612.5431567590. The cubic root of 43725727 is about 352.2997591834.

The spelling of 43725727 in words is "forty-three million, seven hundred twenty-five thousand, seven hundred twenty-seven".