7232991894 has 12 divisors (see below), whose sum is σ = 15671482476. Its totient is φ = 2410997292.

The previous prime is 7232991869. The next prime is 7232991911. The reversal of 7232991894 is 4981992327.

It is a self number, because there is not a number n which added to its sum of digits gives 7232991894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200916424 + ... + 200916459.

It is an arithmetic number, because the mean of its divisors is an integer number (1305956873).

Almost surely, 2^7232991894 is an apocalyptic number.

7232991894 is an abundant number, since it is smaller than the sum of its proper divisors (8438490582).

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

7232991894 is a wasteful number, since it uses less digits than its factorization.

7232991894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401832891 (or 401832888 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 7232991894 is about 85046.9981480828. The cubic root of 7232991894 is about 1933.9236575507.

The spelling of 7232991894 in words is "seven billion, two hundred thirty-two million, nine hundred ninety-one thousand, eight hundred ninety-four".