7422772032 has 126 divisors (see below), whose sum is σ = 23038849782. Its totient is φ = 2283899904.

The previous prime is 7422772013. The next prime is 7422772043. The reversal of 7422772032 is 2302772247.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 85821696 + 7336950336 = 9264^2 + 85656^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59218 + ... + 135470.

Almost surely, 2^7422772032 is an apocalyptic number.

7422772032 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 7422772032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11519424891).

7422772032 is an abundant number, since it is smaller than the sum of its proper divisors (15616077750).

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

7422772032 is a wasteful number, since it uses less digits than its factorization.

7422772032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76297 (or 76271 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 7422772032 is about 86155.5107465564. The cubic root of 7422772032 is about 1950.6920210514.

The spelling of 7422772032 in words is "seven billion, four hundred twenty-two million, seven hundred seventy-two thousand, thirty-two".