40797739 has 8 divisors (see below), whose sum is σ = 44117568. Its totient is φ = 37580160.

The previous prime is 40797697. The next prime is 40797749. The reversal of 40797739 is 93779704.

40797739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40797739 - 2¹⁹ = 40273451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40797749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24732 + ... + 26329.

It is an arithmetic number, because the mean of its divisors is an integer number (5514696).

Almost surely, 2^40797739 is an apocalyptic number.

40797739 is a deficient number, since it is larger than the sum of its proper divisors (3319829).

40797739 is a wasteful number, since it uses less digits than its factorization.

40797739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51125.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 40797739 is about 6387.3107799762. The cubic root of 40797739 is about 344.2537647783.

The spelling of 40797739 in words is "forty million, seven hundred ninety-seven thousand, seven hundred thirty-nine".