40845737 has 4 divisors (see below), whose sum is σ = 40879440. Its totient is φ = 40812036.

The previous prime is 40845719. The next prime is 40845787. The reversal of 40845737 is 73754804.

40845737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40845737 - 2¹⁴ = 40829353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40845737.

It is not an unprimeable number, because it can be changed into a prime (40845787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14963 + ... + 17480.

It is an arithmetic number, because the mean of its divisors is an integer number (10219860).

Almost surely, 2^40845737 is an apocalyptic number.

It is an amenable number.

40845737 is a deficient number, since it is larger than the sum of its proper divisors (33703).

40845737 is a wasteful number, since it uses less digits than its factorization.

40845737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33702.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 40845737 is about 6391.0669688245. The cubic root of 40845737 is about 344.3887152024.

The spelling of 40845737 in words is "forty million, eight hundred forty-five thousand, seven hundred thirty-seven".