7641685 has 8 divisors (see below), whose sum is σ = 9307296. Its totient is φ = 6021840.

The previous prime is 7641679. The next prime is 7641691. The reversal of 7641685 is 5861467.

It is an interprime number because it is at equal distance from previous prime (7641679) and next prime (7641691).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7641685 - 2³ = 7641677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11071 + ... + 11740.

It is an arithmetic number, because the mean of its divisors is an integer number (1163412).

Almost surely, 2^7641685 is an apocalyptic number.

It is an amenable number.

7641685 is a deficient number, since it is larger than the sum of its proper divisors (1665611).

7641685 is a wasteful number, since it uses less digits than its factorization.

7641685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22883.

The product of its digits is 40320, while the sum is 37.

The square root of 7641685 is about 2764.3597812152. The cubic root of 7641685 is about 196.9683184041.

The spelling of 7641685 in words is "seven million, six hundred forty-one thousand, six hundred eighty-five".