3047581820 has 12 divisors (see below), whose sum is σ = 6399921864. Its totient is φ = 1219032720.

The previous prime is 3047581807. The next prime is 3047581829. The reversal of 3047581820 is 281857403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3047581829) 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 3 ways as a sum of consecutive naturals, for example, 76189526 + ... + 76189565.

It is an arithmetic number, because the mean of its divisors is an integer number (533326822).

Almost surely, 2^3047581820 is an apocalyptic number.

It is an amenable number.

3047581820 is an abundant number, since it is smaller than the sum of its proper divisors (3352340044).

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

3047581820 is a wasteful number, since it uses less digits than its factorization.

3047581820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152379100 (or 152379098 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 3047581820 is about 55204.9075717005. The cubic root of 3047581820 is about 1449.8345938949.

The spelling of 3047581820 in words is "three billion, forty-seven million, five hundred eighty-one thousand, eight hundred twenty".