7237722240 has 384 divisors, whose sum is σ = 28966204800. Its totient is φ = 1631010816.

The previous prime is 7237722209. The next prime is 7237722287. The reversal of 7237722240 is 422277327.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a junction number, because it is equal to n+sod(n) for n = 7237722195 and 7237722204.

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, 2942131 + ... + 2944589.

It is an arithmetic number, because the mean of its divisors is an integer number (75432825).

Almost surely, 2^7237722240 is an apocalyptic number.

7237722240 is a gapful number since it is divisible by the number (70) 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 7237722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14483102400).

7237722240 is an abundant number, since it is smaller than the sum of its proper divisors (21728482560).

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

7237722240 is a wasteful number, since it uses less digits than its factorization.

7237722240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564 (or 2549 counting only the distinct ones).

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

The square root of 7237722240 is about 85074.8037905466. The cubic root of 7237722240 is about 1934.3451582988.

Adding to 7237722240 its reverse (422277327), we get a palindrome (7659999567).

The spelling of 7237722240 in words is "seven billion, two hundred thirty-seven million, seven hundred twenty-two thousand, two hundred forty".