40674809 has 8 divisors (see below), whose sum is σ = 47074560. Its totient is φ = 34422336.

The previous prime is 40674773. The next prime is 40674811. The reversal of 40674809 is 90847604.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40674809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40674899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36224 + ... + 37329.

It is an arithmetic number, because the mean of its divisors is an integer number (5884320).

Almost surely, 2^40674809 is an apocalyptic number.

It is an amenable number.

40674809 is a deficient number, since it is larger than the sum of its proper divisors (6399751).

40674809 is an equidigital number, since it uses as much as digits as its factorization.

40674809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73639.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 40674809 is about 6377.6805344890. The cubic root of 40674809 is about 343.9076533486.

The spelling of 40674809 in words is "forty million, six hundred seventy-four thousand, eight hundred nine".