40753729 has 8 divisors (see below), whose sum is σ = 42255360. Its totient is φ = 39258576.

The previous prime is 40753721. The next prime is 40753753. The reversal of 40753729 is 92735704.

40753729 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 40753729 - 2³ = 40753721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40753721) 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, 13824 + ... + 16510.

It is an arithmetic number, because the mean of its divisors is an integer number (5281920).

Almost surely, 2^40753729 is an apocalyptic number.

It is an amenable number.

40753729 is a deficient number, since it is larger than the sum of its proper divisors (1501631).

40753729 is a wasteful number, since it uses less digits than its factorization.

40753729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 40753729 is about 6383.8647385420. The cubic root of 40753729 is about 344.1299339022.

The spelling of 40753729 in words is "forty million, seven hundred fifty-three thousand, seven hundred twenty-nine".