40068742 has 16 divisors (see below), whose sum is σ = 69986592. Its totient is φ = 16848000.

The previous prime is 40068713. The next prime is 40068773. The reversal of 40068742 is 24786004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26259 + ... + 27742.

It is an arithmetic number, because the mean of its divisors is an integer number (4374162).

Almost surely, 2^40068742 is an apocalyptic number.

40068742 is a deficient number, since it is larger than the sum of its proper divisors (29917850).

40068742 is a wasteful number, since it uses less digits than its factorization.

40068742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54063.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 40068742 is about 6329.9875197349. The cubic root of 40068742 is about 342.1909891584.

The spelling of 40068742 in words is "forty million, sixty-eight thousand, seven hundred forty-two".