40743906 has 32 divisors (see below), whose sum is σ = 94525440. Its totient is φ = 11466576.

The previous prime is 40743893. The next prime is 40743907. The reversal of 40743906 is 60934704.

It is a super-3 number, since 3×40743906³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40743907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4426 + ... + 10053.

It is an arithmetic number, because the mean of its divisors is an integer number (2953920).

Almost surely, 2^40743906 is an apocalyptic number.

40743906 is an abundant number, since it is smaller than the sum of its proper divisors (53781534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40743906 is a wasteful number, since it uses less digits than its factorization.

40743906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14558.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40743906 is about 6383.0953306370. The cubic root of 40743906 is about 344.1022827722.

The spelling of 40743906 in words is "forty million, seven hundred forty-three thousand, nine hundred six".