40620706 has 24 divisors (see below), whose sum is σ = 73328220. Its totient is φ = 16807392.

The previous prime is 40620683. The next prime is 40620721. The reversal of 40620706 is 60702604.

40620706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35820225 + 4800481 = 5985^2 + 2191^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4305 + ... + 9988.

Almost surely, 2^40620706 is an apocalyptic number.

40620706 is a deficient number, since it is larger than the sum of its proper divisors (32707514).

40620706 is a wasteful number, since it uses less digits than its factorization.

40620706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14338 (or 14331 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40620706 is about 6373.4375340157. The cubic root of 40620706 is about 343.7551044531.

It can be divided in two parts, 406 and 20706, that added together give a palindrome (21112).

The spelling of 40620706 in words is "forty million, six hundred twenty thousand, seven hundred six".