40707766 has 16 divisors (see below), whose sum is σ = 70119360. Its totient is φ = 17529480.

The previous prime is 40707757. The next prime is 40707767. The reversal of 40707766 is 66770704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40707767) 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, 48276 + ... + 49111.

It is an arithmetic number, because the mean of its divisors is an integer number (4382460).

Almost surely, 2^40707766 is an apocalyptic number.

40707766 is a deficient number, since it is larger than the sum of its proper divisors (29411594).

40707766 is a wasteful number, since it uses less digits than its factorization.

40707766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97419.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 40707766 is about 6380.2637876502. The cubic root of 40707766 is about 344.0005126637. Note that the first 3 decimals are identical.

The spelling of 40707766 in words is "forty million, seven hundred seven thousand, seven hundred sixty-six".