6749570220 has 24 divisors (see below), whose sum is σ = 18898796784. Its totient is φ = 1799885376.

The previous prime is 6749570159. The next prime is 6749570237. The reversal of 6749570220 is 220759476.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56246359 + ... + 56246478.

It is an arithmetic number, because the mean of its divisors is an integer number (787449866).

Almost surely, 2^6749570220 is an apocalyptic number.

6749570220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6749570220 is an abundant number, since it is smaller than the sum of its proper divisors (12149226564).

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

6749570220 is a wasteful number, since it uses less digits than its factorization.

6749570220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112492849 (or 112492847 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 6749570220 is about 82155.7680263535. The cubic root of 6749570220 is about 1889.8414637044.

The spelling of 6749570220 in words is "six billion, seven hundred forty-nine million, five hundred seventy thousand, two hundred twenty".