7286321488 has 20 divisors (see below), whose sum is σ = 14157709300. Its totient is φ = 3632719104.

The previous prime is 7286321467. The next prime is 7286321507. The reversal of 7286321488 is 8841236827.

It can be written as a sum of positive squares in 2 ways, for example, as 4117532224 + 3168789264 = 64168^2 + 56292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646845 + ... + 658012.

It is an arithmetic number, because the mean of its divisors is an integer number (707885465).

Almost surely, 2^7286321488 is an apocalyptic number.

It is an amenable number.

7286321488 is a deficient number, since it is larger than the sum of its proper divisors (6871387812).

7286321488 is a wasteful number, since it uses less digits than its factorization.

7286321488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305214 (or 1305208 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The square root of 7286321488 is about 85359.9524835857. The cubic root of 7286321488 is about 1938.6650297846.

The spelling of 7286321488 in words is "seven billion, two hundred eighty-six million, three hundred twenty-one thousand, four hundred eighty-eight".