40794729 has 16 divisors (see below), whose sum is σ = 59105280. Its totient is φ = 24932880.

The previous prime is 40794727. The next prime is 40794773. The reversal of 40794729 is 92749704.

It is not a de Polignac number, because 40794729 - 2¹ = 40794727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40794727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9777 + ... + 13310.

It is an arithmetic number, because the mean of its divisors is an integer number (3694080).

Almost surely, 2^40794729 is an apocalyptic number.

It is an amenable number.

40794729 is a deficient number, since it is larger than the sum of its proper divisors (18310551).

40794729 is a wasteful number, since it uses less digits than its factorization.

40794729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23140.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 40794729 is about 6387.0751522117. The cubic root of 40794729 is about 344.2452983833.

The spelling of 40794729 in words is "forty million, seven hundred ninety-four thousand, seven hundred twenty-nine".