7672845685 has 4 divisors (see below), whose sum is σ = 9207414828. Its totient is φ = 6138276544.

The previous prime is 7672845683. The next prime is 7672845689. The reversal of 7672845685 is 5865482767.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4514630481 + 3158215204 = 67191^2 + 56198^2 .

It is a cyclic number.

It is not a de Polignac number, because 7672845685 - 2¹ = 7672845683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7672845683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767284564 + ... + 767284573.

It is an arithmetic number, because the mean of its divisors is an integer number (2301853707).

Almost surely, 2^7672845685 is an apocalyptic number.

It is an amenable number.

7672845685 is a deficient number, since it is larger than the sum of its proper divisors (1534569143).

7672845685 is a wasteful number, since it uses less digits than its factorization.

7672845685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534569142.

The product of its digits is 22579200, while the sum is 58.

The square root of 7672845685 is about 87594.7811516188. The cubic root of 7672845685 is about 1972.3568282263.

The spelling of 7672845685 in words is "seven billion, six hundred seventy-two million, eight hundred forty-five thousand, six hundred eighty-five".