7327472220 has 120 divisors (see below), whose sum is σ = 23044837200. Its totient is φ = 1949038848.

The previous prime is 7327472213. The next prime is 7327472237. The reversal of 7327472220 is 222747237.

It is a happy number.

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 39 ways as a sum of consecutive naturals, for example, 657051 + ... + 668109.

It is an arithmetic number, because the mean of its divisors is an integer number (192040310).

Almost surely, 2^7327472220 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 7327472220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11522418600).

7327472220 is an abundant number, since it is smaller than the sum of its proper divisors (15717364980).

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

7327472220 is a wasteful number, since it uses less digits than its factorization.

7327472220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11489 (or 11478 counting only the distinct ones).

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

The square root of 7327472220 is about 85600.6554881445. The cubic root of 7327472220 is about 1942.3078267275.

The spelling of 7327472220 in words is "seven billion, three hundred twenty-seven million, four hundred seventy-two thousand, two hundred twenty".