4627681 has 2 divisors, whose sum is σ = 4627682. Its totient is φ = 4627680.

The previous prime is 4627673. The next prime is 4627691. The reversal of 4627681 is 1867264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 707281 = 1980^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 4627681 - 2³ = 4627673 is a prime.

It is a super-2 number, since 2×4627681² = 42830862875522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4627631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2313840 + 2313841.

It is an arithmetic number, because the mean of its divisors is an integer number (2313841).

Almost surely, 2^4627681 is an apocalyptic number.

It is an amenable number.

4627681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4627681 is an equidigital number, since it uses as much as digits as its factorization.

4627681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 4627681 is about 2151.2045462949. The cubic root of 4627681 is about 166.6432798296.

The spelling of 4627681 in words is "four million, six hundred twenty-seven thousand, six hundred eighty-one".