7278414288 has 20 divisors (see below), whose sum is σ = 18802570368. Its totient is φ = 2426138080.

The previous prime is 7278414281. The next prime is 7278414301. The reversal of 7278414288 is 8824148727.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7278414288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7278414281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75816768 + ... + 75816863.

Almost surely, 2^7278414288 is an apocalyptic number.

It is an amenable number.

7278414288 is an abundant number, since it is smaller than the sum of its proper divisors (11524156080).

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

7278414288 is a wasteful number, since it uses less digits than its factorization.

7278414288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151633642 (or 151633636 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 51.

The square root of 7278414288 is about 85313.6231090908. The cubic root of 7278414288 is about 1937.9634887435.

The spelling of 7278414288 in words is "seven billion, two hundred seventy-eight million, four hundred fourteen thousand, two hundred eighty-eight".