3797640626 has 16 divisors (see below), whose sum is σ = 6140632344. Its totient is φ = 1751048064.

The previous prime is 3797640617. The next prime is 3797640677. The reversal of 3797640626 is 6260467973.

It is a Cunningham number, because it is equal to 61625²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3797640625 + 1 = 61625^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43841 + ... + 97556.

Almost surely, 2^3797640626 is an apocalyptic number.

3797640626 is a deficient number, since it is larger than the sum of its proper divisors (2342991718).

3797640626 is a wasteful number, since it uses less digits than its factorization.

3797640626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142445.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The square root of 3797640626 is about 61625.0000081136. Note that the first 5 decimals coincide. The cubic root of 3797640626 is about 1560.1677205712.

The spelling of 3797640626 in words is "three billion, seven hundred ninety-seven million, six hundred forty thousand, six hundred twenty-six".