40733791 has 4 divisors (see below), whose sum is σ = 46552912. Its totient is φ = 34914672.

The previous prime is 40733767. The next prime is 40733809. The reversal of 40733791 is 19733704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40733791 - 2⁹ = 40733279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40733711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909550 + ... + 2909563.

It is an arithmetic number, because the mean of its divisors is an integer number (11638228).

Almost surely, 2^40733791 is an apocalyptic number.

40733791 is a deficient number, since it is larger than the sum of its proper divisors (5819121).

40733791 is an equidigital number, since it uses as much as digits as its factorization.

40733791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819120.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 40733791 is about 6382.3029542635. The cubic root of 40733791 is about 344.0738050357.

The spelling of 40733791 in words is "forty million, seven hundred thirty-three thousand, seven hundred ninety-one".