37840141 has 2 divisors, whose sum is σ = 37840142. Its totient is φ = 37840140.

The previous prime is 37840111. The next prime is 37840151. The reversal of 37840141 is 14104873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29746116 + 8094025 = 5454^2 + 2845^2 .

It is an emirp because it is prime and its reverse (14104873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37840141 - 2⁷ = 37840013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37840111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18920070 + 18920071.

It is an arithmetic number, because the mean of its divisors is an integer number (18920071).

Almost surely, 2^37840141 is an apocalyptic number.

It is an amenable number.

37840141 is a deficient number, since it is larger than the sum of its proper divisors (1).

37840141 is an equidigital number, since it uses as much as digits as its factorization.

37840141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 37840141 is about 6151.4340604448. The cubic root of 37840141 is about 335.7254376687.

The spelling of 37840141 in words is "thirty-seven million, eight hundred forty thousand, one hundred forty-one".