7294781952 has 120 divisors (see below), whose sum is σ = 21086841204. Its totient is φ = 2427715584.

The previous prime is 7294781927. The next prime is 7294781971. The reversal of 7294781952 is 2591874927.

It can be written as a sum of positive squares in 2 ways, for example, as 5657446656 + 1637335296 = 75216^2 + 40464^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5312338 + ... + 5313710.

Almost surely, 2^7294781952 is an apocalyptic number.

7294781952 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 7294781952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10543420602).

7294781952 is an abundant number, since it is smaller than the sum of its proper divisors (13792059252).

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

7294781952 is a wasteful number, since it uses less digits than its factorization.

7294781952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2531 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 7294781952 is about 85409.4956781739. The cubic root of 7294781952 is about 1939.4150955735.

The spelling of 7294781952 in words is "seven billion, two hundred ninety-four million, seven hundred eighty-one thousand, nine hundred fifty-two".