40739757 has 8 divisors (see below), whose sum is σ = 54369984. Its totient is φ = 27134688.

The previous prime is 40739753. The next prime is 40739759. The reversal of 40739757 is 75793704.

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

It is not a de Polignac number, because 40739757 - 2² = 40739753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40739753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113 + ... + 9270.

It is an arithmetic number, because the mean of its divisors is an integer number (6796248).

Almost surely, 2^40739757 is an apocalyptic number.

It is an amenable number.

40739757 is a deficient number, since it is larger than the sum of its proper divisors (13630227).

40739757 is a wasteful number, since it uses less digits than its factorization.

40739757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12579.

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 40739757 is about 6382.7703233001. The cubic root of 40739757 is about 344.0906022619.

The spelling of 40739757 in words is "forty million, seven hundred thirty-nine thousand, seven hundred fifty-seven".