40701637 has 2 divisors, whose sum is σ = 40701638. Its totient is φ = 40701636.

The previous prime is 40701613. The next prime is 40701641. The reversal of 40701637 is 73610704.

40701637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34117281 + 6584356 = 5841^2 + 2566^2 .

It is a cyclic number.

It is not a de Polignac number, because 40701637 - 2¹⁹ = 40177349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40701137) by changing a digit.

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 as a sum of consecutive naturals, namely, 20350818 + 20350819.

It is an arithmetic number, because the mean of its divisors is an integer number (20350819).

Almost surely, 2^40701637 is an apocalyptic number.

It is an amenable number.

40701637 is a deficient number, since it is larger than the sum of its proper divisors (1).

40701637 is an equidigital number, since it uses as much as digits as its factorization.

40701637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 40701637 is about 6379.7834602751. The cubic root of 40701637 is about 343.9832474490.

The spelling of 40701637 in words is "forty million, seven hundred one thousand, six hundred thirty-seven".