40799873 has 2 divisors, whose sum is σ = 40799874. Its totient is φ = 40799872.

The previous prime is 40799867. The next prime is 40799887. The reversal of 40799873 is 37899704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29463184 + 11336689 = 5428^2 + 3367^2 .

It is a cyclic number.

It is not a de Polignac number, because 40799873 - 2⁶ = 40799809 is a prime.

It is a super-3 number, since 3×40799873³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (40799573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20399936 + 20399937.

It is an arithmetic number, because the mean of its divisors is an integer number (20399937).

Almost surely, 2^40799873 is an apocalyptic number.

It is an amenable number.

40799873 is a deficient number, since it is larger than the sum of its proper divisors (1).

40799873 is an equidigital number, since it uses as much as digits as its factorization.

40799873 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 47.

The square root of 40799873 is about 6387.4778277502. The cubic root of 40799873 is about 344.2597669469.

The spelling of 40799873 in words is "forty million, seven hundred ninety-nine thousand, eight hundred seventy-three".