7255389792 has 192 divisors, whose sum is σ = 23078006784. Its totient is φ = 1951672320.

The previous prime is 7255389787. The next prime is 7255389793. The reversal of 7255389792 is 2979835527.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7255389793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766078 + ... + 775490.

It is an arithmetic number, because the mean of its divisors is an integer number (120197952).

Almost surely, 2^7255389792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7255389792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11539003392).

7255389792 is an abundant number, since it is smaller than the sum of its proper divisors (15822616992).

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

7255389792 is a wasteful number, since it uses less digits than its factorization.

7255389792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9501 (or 9493 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 57.

The square root of 7255389792 is about 85178.5758979334. The cubic root of 7255389792 is about 1935.9178157632.

The spelling of 7255389792 in words is "seven billion, two hundred fifty-five million, three hundred eighty-nine thousand, seven hundred ninety-two".