40766747 has 4 divisors (see below), whose sum is σ = 46590576. Its totient is φ = 34942920.

The previous prime is 40766743. The next prime is 40766749. The reversal of 40766747 is 74766704.

40766747 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.

It is a cyclic number.

It is not a de Polignac number, because 40766747 - 2² = 40766743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40766743) 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, 2911904 + ... + 2911917.

It is an arithmetic number, because the mean of its divisors is an integer number (11647644).

Almost surely, 2^40766747 is an apocalyptic number.

40766747 is a deficient number, since it is larger than the sum of its proper divisors (5823829).

40766747 is an equidigital number, since it uses as much as digits as its factorization.

40766747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823828.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 40766747 is about 6384.8842589353. The cubic root of 40766747 is about 344.1665719119.

The spelling of 40766747 in words is "forty million, seven hundred sixty-six thousand, seven hundred forty-seven".