42708893 has 2 divisors, whose sum is σ = 42708894. Its totient is φ = 42708892.

The previous prime is 42708881. The next prime is 42708923. The reversal of 42708893 is 39880724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39476089 + 3232804 = 6283^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 42708893 - 2⁴ = 42708877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42708893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42708803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21354446 + 21354447.

It is an arithmetic number, because the mean of its divisors is an integer number (21354447).

Almost surely, 2^42708893 is an apocalyptic number.

It is an amenable number.

42708893 is a deficient number, since it is larger than the sum of its proper divisors (1).

42708893 is an equidigital number, since it uses as much as digits as its factorization.

42708893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 42708893 is about 6535.2041284110. The cubic root of 42708893 is about 349.5474231990.

The spelling of 42708893 in words is "forty-two million, seven hundred eight thousand, eight hundred ninety-three".