3700001 has 2 divisors, whose sum is σ = 3700002. Its totient is φ = 3700000.

The previous prime is 3699961. The next prime is 3700009. The reversal of 3700001 is 1000073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3519376 + 180625 = 1876^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 3700001 - 2¹⁸ = 3437857 is a prime.

It is a super-3 number, since 3×3700001³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3700009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1850000 + 1850001.

It is an arithmetic number, because the mean of its divisors is an integer number (1850001).

Almost surely, 2^3700001 is an apocalyptic number.

It is an amenable number.

3700001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3700001 is an equidigital number, since it uses as much as digits as its factorization.

3700001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 3700001 is about 1923.5386661047. The cubic root of 3700001 is about 154.6680513113.

Adding to 3700001 its reverse (1000073), we get a palindrome (4700074).

The spelling of 3700001 in words is "three million, seven hundred thousand, one".