7685631 has 16 divisors (see below), whose sum is σ = 11437920. Its totient is φ = 5100480.

The previous prime is 7685627. The next prime is 7685641. The reversal of 7685631 is 1365867.

It is not a de Polignac number, because 7685631 - 2² = 7685627 is a prime.

It is a super-3 number, since 3×7685631³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7081 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (714870).

Almost surely, 2^7685631 is an apocalyptic number.

7685631 is a deficient number, since it is larger than the sum of its proper divisors (3752289).

7685631 is a wasteful number, since it uses less digits than its factorization.

7685631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1297 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 7685631 is about 2772.2970620047. The cubic root of 7685631 is about 197.3451737503.

The spelling of 7685631 in words is "seven million, six hundred eighty-five thousand, six hundred thirty-one".