40670711 has 4 divisors (see below), whose sum is σ = 40737672. Its totient is φ = 40603752.

The previous prime is 40670689. The next prime is 40670719. The reversal of 40670711 is 11707604.

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 40670711 - 2¹⁸ = 40408567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670719) 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, 32561 + ... + 33786.

It is an arithmetic number, because the mean of its divisors is an integer number (10184418).

Almost surely, 2^40670711 is an apocalyptic number.

40670711 is a deficient number, since it is larger than the sum of its proper divisors (66961).

40670711 is an equidigital number, since it uses as much as digits as its factorization.

40670711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66960.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 40670711 is about 6377.3592497208. The cubic root of 40670711 is about 343.8961033588.

It can be divided in two parts, 406 and 70711, that added together give a palindrome (71117).

The spelling of 40670711 in words is "forty million, six hundred seventy thousand, seven hundred eleven".