40974679 has 2 divisors, whose sum is σ = 40974680. Its totient is φ = 40974678.

The previous prime is 40974677. The next prime is 40974683. The reversal of 40974679 is 97647904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40974679 - 2¹ = 40974677 is a prime.

Together with 40974677, 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 (40974673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20487339 + 20487340.

It is an arithmetic number, because the mean of its divisors is an integer number (20487340).

Almost surely, 2^40974679 is an apocalyptic number.

40974679 is a deficient number, since it is larger than the sum of its proper divisors (1).

40974679 is an equidigital number, since it uses as much as digits as its factorization.

40974679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 40974679 is about 6401.1466941479. The cubic root of 40974679 is about 344.7507238032.

The spelling of 40974679 in words is "forty million, nine hundred seventy-four thousand, six hundred seventy-nine".