40842713 has 2 divisors, whose sum is σ = 40842714. Its totient is φ = 40842712.

The previous prime is 40842707. The next prime is 40842727. The reversal of 40842713 is 31724804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31058329 + 9784384 = 5573^2 + 3128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40842713 is a prime.

It is not a weakly prime, because it can be changed into another prime (40842743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20421356 + 20421357.

It is an arithmetic number, because the mean of its divisors is an integer number (20421357).

Almost surely, 2^40842713 is an apocalyptic number.

It is an amenable number.

40842713 is a deficient number, since it is larger than the sum of its proper divisors (1).

40842713 is an equidigital number, since it uses as much as digits as its factorization.

40842713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 40842713 is about 6390.8303842302. The cubic root of 40842713 is about 344.3802160929.

The spelling of 40842713 in words is "forty million, eight hundred forty-two thousand, seven hundred thirteen".