40791307 has 2 divisors, whose sum is σ = 40791308. Its totient is φ = 40791306.

The previous prime is 40791299. The next prime is 40791343. The reversal of 40791307 is 70319704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40791307 - 2³ = 40791299 is a prime.

It is not a weakly prime, because it can be changed into another prime (40791367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20395653 + 20395654.

It is an arithmetic number, because the mean of its divisors is an integer number (20395654).

Almost surely, 2^40791307 is an apocalyptic number.

40791307 is a deficient number, since it is larger than the sum of its proper divisors (1).

40791307 is an equidigital number, since it uses as much as digits as its factorization.

40791307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 40791307 is about 6386.8072618484. The cubic root of 40791307 is about 344.2356726271.

The spelling of 40791307 in words is "forty million, seven hundred ninety-one thousand, three hundred seven".