2813420730 has 64 divisors (see below), whose sum is σ = 6974138880. Its totient is φ = 725976576.

The previous prime is 2813420699. The next prime is 2813420737. The reversal of 2813420730 is 370243182.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2813420737) 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 31 ways as a sum of consecutive naturals, for example, 103951 + ... + 128189.

It is an arithmetic number, because the mean of its divisors is an integer number (108970920).

Almost surely, 2^2813420730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2813420730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3487069440).

2813420730 is an abundant number, since it is smaller than the sum of its proper divisors (4160718150).

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

2813420730 is a wasteful number, since it uses less digits than its factorization.

2813420730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24375.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2813420730 is about 53041.6886043422. The cubic root of 2813420730 is about 1411.7080603119.

The spelling of 2813420730 in words is "two billion, eight hundred thirteen million, four hundred twenty thousand, seven hundred thirty".