40745683 has 4 divisors (see below), whose sum is σ = 44449848. Its totient is φ = 37041520.

The previous prime is 40745669. The next prime is 40745701. The reversal of 40745683 is 38654704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40745683 - 2⁹ = 40745171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40745183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852066 + ... + 1852087.

It is an arithmetic number, because the mean of its divisors is an integer number (11112462).

Almost surely, 2^40745683 is an apocalyptic number.

40745683 is a deficient number, since it is larger than the sum of its proper divisors (3704165).

40745683 is a wasteful number, since it uses less digits than its factorization.

40745683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704164.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 40745683 is about 6383.2345249098. The cubic root of 40745683 is about 344.1072852452.

The spelling of 40745683 in words is "forty million, seven hundred forty-five thousand, six hundred eighty-three".