40939733 has 8 divisors (see below), whose sum is σ = 41572440. Its totient is φ = 40311040.

The previous prime is 40939721. The next prime is 40939751. The reversal of 40939733 is 33793904.

It can be written as a sum of positive squares in 4 ways, for example, as 5329 + 40934404 = 73^2 + 6398^2 .

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 40939733 - 2⁶ = 40939669 is a prime.

It is a super-2 number, since 2×40939733² = 3352123476222578, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40939783) 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, 24191 + ... + 25827.

It is an arithmetic number, because the mean of its divisors is an integer number (5196555).

Almost surely, 2^40939733 is an apocalyptic number.

It is an amenable number.

40939733 is a deficient number, since it is larger than the sum of its proper divisors (632707).

40939733 is a wasteful number, since it uses less digits than its factorization.

40939733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 40939733 is about 6398.4164447151. The cubic root of 40939733 is about 344.6526869527.

The spelling of 40939733 in words is "forty million, nine hundred thirty-nine thousand, seven hundred thirty-three".