7605681 has 32 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 4398336.

The previous prime is 7605679. The next prime is 7605707. The reversal of 7605681 is 1865067.

It is not a de Polignac number, because 7605681 - 2¹ = 7605679 is a prime.

It is a super-2 number, since 2×7605681² = 115692766947522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7605601) 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 in 31 ways as a sum of consecutive naturals, for example, 45460 + ... + 45626.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^7605681 is an apocalyptic number.

It is an amenable number.

7605681 is a deficient number, since it is larger than the sum of its proper divisors (4006479).

7605681 is a wasteful number, since it uses less digits than its factorization.

7605681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 7605681 is about 2757.8399155861. The cubic root of 7605681 is about 196.6584908344.

It can be divided in two parts, 760 and 5681, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 7605681 in words is "seven million, six hundred five thousand, six hundred eighty-one".