40237967 has 12 divisors (see below), whose sum is σ = 51063336. Its totient is φ = 31353840.

The previous prime is 40237961. The next prime is 40238021. The reversal of 40237967 is 76973204.

It is not a de Polignac number, because 40237967 - 2⁸ = 40237711 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 40237967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40237961) 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 11 ways as a sum of consecutive naturals, for example, 36788 + ... + 37865.

It is an arithmetic number, because the mean of its divisors is an integer number (4255278).

Almost surely, 2^40237967 is an apocalyptic number.

40237967 is a deficient number, since it is larger than the sum of its proper divisors (10825369).

40237967 is a wasteful number, since it uses less digits than its factorization.

40237967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74678 (or 74671 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 40237967 is about 6343.3403660847. The cubic root of 40237967 is about 342.6720452700.

The spelling of 40237967 in words is "forty million, two hundred thirty-seven thousand, nine hundred sixty-seven".