40210673 has 2 divisors, whose sum is σ = 40210674. Its totient is φ = 40210672.

The previous prime is 40210607. The next prime is 40210679. The reversal of 40210673 is 37601204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22963264 + 17247409 = 4792^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 40210673 - 2¹⁰ = 40209649 is a prime.

It is a super-2 number, since 2×40210673² = 3233796446225858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40210679) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20105336 + 20105337.

It is an arithmetic number, because the mean of its divisors is an integer number (20105337).

Almost surely, 2^40210673 is an apocalyptic number.

It is an amenable number.

40210673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40210673 is an equidigital number, since it uses as much as digits as its factorization.

40210673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40210673 is about 6341.1886109782. The cubic root of 40210673 is about 342.5945479291.

Adding to 40210673 its reverse (37601204), we get a palindrome (77811877).

The spelling of 40210673 in words is "forty million, two hundred ten thousand, six hundred seventy-three".