7467647220 has 144 divisors (see below), whose sum is σ = 25024446720. Its totient is φ = 1787385600.

The previous prime is 7467647203. The next prime is 7467647227. The reversal of 7467647220 is 227467647.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7467647227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132550 + ... + 180290.

It is an arithmetic number, because the mean of its divisors is an integer number (173780880).

Almost surely, 2^7467647220 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 7467647220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12512223360).

7467647220 is an abundant number, since it is smaller than the sum of its proper divisors (17556799500).

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

7467647220 is a wasteful number, since it uses less digits than its factorization.

7467647220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47846 (or 47841 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The square root of 7467647220 is about 86415.5496424110. The cubic root of 7467647220 is about 1954.6151670447.

The spelling of 7467647220 in words is "seven billion, four hundred sixty-seven million, six hundred forty-seven thousand, two hundred twenty".