42737713 has 2 divisors, whose sum is σ = 42737714. Its totient is φ = 42737712.

The previous prime is 42737699. The next prime is 42737719. The reversal of 42737713 is 31773724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29942784 + 12794929 = 5472^2 + 3577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42737713 is a prime.

It is a super-2 number, since 2×42737713² = 3653024224940738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42737719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21368856 + 21368857.

It is an arithmetic number, because the mean of its divisors is an integer number (21368857).

Almost surely, 2^42737713 is an apocalyptic number.

It is an amenable number.

42737713 is a deficient number, since it is larger than the sum of its proper divisors (1).

42737713 is an equidigital number, since it uses as much as digits as its factorization.

42737713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 34.

The square root of 42737713 is about 6537.4087374127. The cubic root of 42737713 is about 349.6260304937.

The spelling of 42737713 in words is "forty-two million, seven hundred thirty-seven thousand, seven hundred thirteen".