40672859 has 2 divisors, whose sum is σ = 40672860. Its totient is φ = 40672858.

The previous prime is 40672831. The next prime is 40672873. The reversal of 40672859 is 95827604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40672859 - 2¹² = 40668763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40672829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20336429 + 20336430.

It is an arithmetic number, because the mean of its divisors is an integer number (20336430).

Almost surely, 2^40672859 is an apocalyptic number.

40672859 is a deficient number, since it is larger than the sum of its proper divisors (1).

40672859 is an equidigital number, since it uses as much as digits as its factorization.

40672859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 40672859 is about 6377.5276557613. The cubic root of 40672859 is about 343.9021574766.

The spelling of 40672859 in words is "forty million, six hundred seventy-two thousand, eight hundred fifty-nine".