40766722 has 4 divisors (see below), whose sum is σ = 61150086. Its totient is φ = 20383360.

The previous prime is 40766707. The next prime is 40766729. The reversal of 40766722 is 22766704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28718881 + 12047841 = 5359^2 + 3471^2 .

It is not an unprimeable number, because it can be changed into a prime (40766729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10191679 + ... + 10191682.

Almost surely, 2^40766722 is an apocalyptic number.

40766722 is a deficient number, since it is larger than the sum of its proper divisors (20383364).

40766722 is a wasteful number, since it uses less digits than its factorization.

40766722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20383363.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 40766722 is about 6384.8823011861. The cubic root of 40766722 is about 344.1665015591.

The spelling of 40766722 in words is "forty million, seven hundred sixty-six thousand, seven hundred twenty-two".