40738767 has 4 divisors (see below), whose sum is σ = 54318360. Its totient is φ = 27159176.

The previous prime is 40738751. The next prime is 40738769. The reversal of 40738767 is 76783704.

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 40738767 - 2⁴ = 40738751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40738769) 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, 6789792 + ... + 6789797.

It is an arithmetic number, because the mean of its divisors is an integer number (13579590).

Almost surely, 2^40738767 is an apocalyptic number.

40738767 is a deficient number, since it is larger than the sum of its proper divisors (13579593).

40738767 is a wasteful number, since it uses less digits than its factorization.

40738767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579592.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 40738767 is about 6382.6927702969. The cubic root of 40738767 is about 344.0878150382.

The spelling of 40738767 in words is "forty million, seven hundred thirty-eight thousand, seven hundred sixty-seven".