40733279 has 2 divisors, whose sum is σ = 40733280. Its totient is φ = 40733278.

The previous prime is 40733267. The next prime is 40733281. The reversal of 40733279 is 97233704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40733279 - 2¹⁶ = 40667743 is a prime.

Together with 40733281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40733219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20366639 + 20366640.

It is an arithmetic number, because the mean of its divisors is an integer number (20366640).

Almost surely, 2^40733279 is an apocalyptic number.

40733279 is a deficient number, since it is larger than the sum of its proper divisors (1).

40733279 is an equidigital number, since it uses as much as digits as its factorization.

40733279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 40733279 is about 6382.2628432242. The cubic root of 40733279 is about 344.0723634273.

The spelling of 40733279 in words is "forty million, seven hundred thirty-three thousand, two hundred seventy-nine".