40073739 has 8 divisors (see below), whose sum is σ = 53786112. Its totient is φ = 26538600.

The previous prime is 40073729. The next prime is 40073771. The reversal of 40073739 is 93737004.

40073739 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 not a de Polignac number, because 40073739 - 2⁷ = 40073611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40073729) 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, 43779 + ... + 44684.

It is an arithmetic number, because the mean of its divisors is an integer number (6723264).

Almost surely, 2^40073739 is an apocalyptic number.

40073739 is a deficient number, since it is larger than the sum of its proper divisors (13712373).

40073739 is a wasteful number, since it uses less digits than its factorization.

40073739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88617.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 40073739 is about 6330.3822159487. The cubic root of 40073739 is about 342.2052135239.

The spelling of 40073739 in words is "forty million, seventy-three thousand, seven hundred thirty-nine".