40746613 has 2 divisors, whose sum is σ = 40746614. Its totient is φ = 40746612.

The previous prime is 40746611. The next prime is 40746647. The reversal of 40746613 is 31664704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23590449 + 17156164 = 4857^2 + 4142^2 .

It is a cyclic number.

It is not a de Polignac number, because 40746613 - 2¹ = 40746611 is a prime.

Together with 40746611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40746611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20373306 + 20373307.

It is an arithmetic number, because the mean of its divisors is an integer number (20373307).

Almost surely, 2^40746613 is an apocalyptic number.

It is an amenable number.

40746613 is a deficient number, since it is larger than the sum of its proper divisors (1).

40746613 is an equidigital number, since it uses as much as digits as its factorization.

40746613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40746613 is about 6383.3073715747. The cubic root of 40746613 is about 344.1099032513.

The spelling of 40746613 in words is "forty million, seven hundred forty-six thousand, six hundred thirteen".