40734163 has 2 divisors, whose sum is σ = 40734164. Its totient is φ = 40734162.

The previous prime is 40734149. The next prime is 40734167. The reversal of 40734163 is 36143704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40734163 - 2¹⁷ = 40603091 is a prime.

It is not a weakly prime, because it can be changed into another prime (40734167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20367081 + 20367082.

It is an arithmetic number, because the mean of its divisors is an integer number (20367082).

Almost surely, 2^40734163 is an apocalyptic number.

40734163 is the 3412-nd centered heptagonal number.

40734163 is a deficient number, since it is larger than the sum of its proper divisors (1).

40734163 is an equidigital number, since it uses as much as digits as its factorization.

40734163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 40734163 is about 6382.3320972823. The cubic root of 40734163 is about 344.0748524467.

Adding to 40734163 its reverse (36143704), we get a palindrome (76877867).

The spelling of 40734163 in words is "forty million, seven hundred thirty-four thousand, one hundred sixty-three".