40696673 has 2 divisors, whose sum is σ = 40696674. Its totient is φ = 40696672.

The previous prime is 40696661. The next prime is 40696679. The reversal of 40696673 is 37669604.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24880144 + 15816529 = 4988^2 + 3977^2 .

It is a cyclic number.

It is not a de Polignac number, because 40696673 - 2⁶ = 40696609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40696673.

It is not a weakly prime, because it can be changed into another prime (40696679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20348336 + 20348337.

It is an arithmetic number, because the mean of its divisors is an integer number (20348337).

Almost surely, 2^40696673 is an apocalyptic number.

It is an amenable number.

40696673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40696673 is an equidigital number, since it uses as much as digits as its factorization.

40696673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 40696673 is about 6379.3944069951. The cubic root of 40696673 is about 343.9692627350.

It can be divided in two parts, 406 and 96673, that added together give a palindrome (97079).

The spelling of 40696673 in words is "forty million, six hundred ninety-six thousand, six hundred seventy-three".