7288371994 has 24 divisors (see below), whose sum is σ = 11891214720. Its totient is φ = 3341002680.

The previous prime is 7288371977. The next prime is 7288372033. The reversal of 7288371994 is 4991738827.

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 11 ways as a sum of consecutive naturals, for example, 63274 + ... + 136309.

It is an arithmetic number, because the mean of its divisors is an integer number (495467280).

Almost surely, 2^7288371994 is an apocalyptic number.

7288371994 is a deficient number, since it is larger than the sum of its proper divisors (4602842726).

7288371994 is a wasteful number, since it uses less digits than its factorization.

7288371994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199666 (or 199635 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 58.

The square root of 7288371994 is about 85371.9625755435. The cubic root of 7288371994 is about 1938.8468714926.

The spelling of 7288371994 in words is "seven billion, two hundred eighty-eight million, three hundred seventy-one thousand, nine hundred ninety-four".