42712793 has 2 divisors, whose sum is σ = 42712794. Its totient is φ = 42712792.

The previous prime is 42712781. The next prime is 42712807. The reversal of 42712793 is 39721724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 6086089 = 6052^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 42712793 - 2⁴ = 42712777 is a prime.

It is not a weakly prime, because it can be changed into another prime (42712723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21356396 + 21356397.

It is an arithmetic number, because the mean of its divisors is an integer number (21356397).

Almost surely, 2^42712793 is an apocalyptic number.

It is an amenable number.

42712793 is a deficient number, since it is larger than the sum of its proper divisors (1).

42712793 is an equidigital number, since it uses as much as digits as its factorization.

42712793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 42712793 is about 6535.5025055461. The cubic root of 42712793 is about 349.5580626183.

The spelling of 42712793 in words is "forty-two million, seven hundred twelve thousand, seven hundred ninety-three".