3099474720 has 168 divisors, whose sum is σ = 10979154396. Its totient is φ = 826495488.

The previous prime is 3099474619. The next prime is 3099474757. The reversal of 3099474720 is 274749903.

3099474720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2811968784 + 287505936 = 53028^2 + 16956^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 103354 + ... + 129926.

Almost surely, 2^3099474720 is an apocalyptic number.

3099474720 is a gapful number since it is divisible by the number (30) 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 3099474720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5489577198).

3099474720 is an abundant number, since it is smaller than the sum of its proper divisors (7879679676).

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

3099474720 is an equidigital number, since it uses as much as digits as its factorization.

3099474720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26606 (or 26583 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 3099474720 is about 55672.9262748061. The cubic root of 3099474720 is about 1458.0173751930.

The spelling of 3099474720 in words is "three billion, ninety-nine million, four hundred seventy-four thousand, seven hundred twenty".