40068237 has 8 divisors (see below), whose sum is σ = 58281120. Its totient is φ = 24283760.

The previous prime is 40068229. The next prime is 40068241. The reversal of 40068237 is 73286004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40068237 - 2³ = 40068229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40068937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607062 + ... + 607127.

It is an arithmetic number, because the mean of its divisors is an integer number (7285140).

Almost surely, 2^40068237 is an apocalyptic number.

It is an amenable number.

40068237 is a deficient number, since it is larger than the sum of its proper divisors (18212883).

40068237 is a wasteful number, since it uses less digits than its factorization.

40068237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214203.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40068237 is about 6329.9476301151. The cubic root of 40068237 is about 342.1895515692.

The spelling of 40068237 in words is "forty million, sixty-eight thousand, two hundred thirty-seven".