40574579 has 2 divisors, whose sum is σ = 40574580. Its totient is φ = 40574578.

The previous prime is 40574561. The next prime is 40574587. The reversal of 40574579 is 97547504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40574579 is a prime.

It is a super-3 number, since 3×40574579³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40574549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20287289 + 20287290.

It is an arithmetic number, because the mean of its divisors is an integer number (20287290).

Almost surely, 2^40574579 is an apocalyptic number.

40574579 is a deficient number, since it is larger than the sum of its proper divisors (1).

40574579 is an equidigital number, since it uses as much as digits as its factorization.

40574579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 40574579 is about 6369.8178152911. The cubic root of 40574579 is about 343.6249376902.

The spelling of 40574579 in words is "forty million, five hundred seventy-four thousand, five hundred seventy-nine".