7282778832 has 240 divisors, whose sum is σ = 23980215168. Its totient is φ = 2019962880.

The previous prime is 7282778803. The next prime is 7282778887. The reversal of 7282778832 is 2388772827.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12935383 + ... + 12935945.

Almost surely, 2^7282778832 is an apocalyptic number.

7282778832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7282778832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11990107584).

7282778832 is an abundant number, since it is smaller than the sum of its proper divisors (16697436336).

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

7282778832 is a wasteful number, since it uses less digits than its factorization.

7282778832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 929 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 54.

The square root of 7282778832 is about 85339.1986838405. The cubic root of 7282778832 is about 1938.3507817468.

The spelling of 7282778832 in words is "seven billion, two hundred eighty-two million, seven hundred seventy-eight thousand, eight hundred thirty-two".