42700727 has 2 divisors, whose sum is σ = 42700728. Its totient is φ = 42700726.

The previous prime is 42700717. The next prime is 42700729. The reversal of 42700727 is 72700724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42700727 - 2⁴ = 42700711 is a prime.

Together with 42700729, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42700727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42700729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21350363 + 21350364.

It is an arithmetic number, because the mean of its divisors is an integer number (21350364).

Almost surely, 2^42700727 is an apocalyptic number.

42700727 is a deficient number, since it is larger than the sum of its proper divisors (1).

42700727 is an equidigital number, since it uses as much as digits as its factorization.

42700727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 42700727 is about 6534.5793284648. The cubic root of 42700727 is about 349.5251437938.

The spelling of 42700727 in words is "forty-two million, seven hundred thousand, seven hundred twenty-seven".