7231688694 has 16 divisors (see below), whose sum is σ = 16070419440. Its totient is φ = 2410562880.

The previous prime is 7231688683. The next prime is 7231688753. The reversal of 7231688694 is 4968861327.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 133920161 = 7231688694 / (7 + 2 + 3 + 1 + 6 + 8 + 8 + 6 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 7231688694.

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, 66960027 + ... + 66960134.

It is an arithmetic number, because the mean of its divisors is an integer number (1004401215).

Almost surely, 2^7231688694 is an apocalyptic number.

7231688694 is an abundant number, since it is smaller than the sum of its proper divisors (8838730746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7231688694 is a wasteful number, since it uses less digits than its factorization.

7231688694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133920172 (or 133920166 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 7231688694 is about 85039.3361568633. The cubic root of 7231688694 is about 1933.8075027273.

The spelling of 7231688694 in words is "seven billion, two hundred thirty-one million, six hundred eighty-eight thousand, six hundred ninety-four".