40067037 has 6 divisors (see below), whose sum is σ = 57874622. Its totient is φ = 26711352.

The previous prime is 40067017. The next prime is 40067039. The reversal of 40067037 is 73076004.

It can be written as a sum of positive squares in only one way, i.e., 39765636 + 301401 = 6306^2 + 549^2 .

It is not a de Polignac number, because 40067037 - 2¹⁸ = 39804893 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 40067037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40067039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2225938 + ... + 2225955.

Almost surely, 2^40067037 is an apocalyptic number.

It is an amenable number.

40067037 is a deficient number, since it is larger than the sum of its proper divisors (17807585).

40067037 is a wasteful number, since it uses less digits than its factorization.

40067037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451899 (or 4451896 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 40067037 is about 6329.8528418914. The cubic root of 40067037 is about 342.1861354671.

The spelling of 40067037 in words is "forty million, sixty-seven thousand, thirty-seven".