2321620704 has 120 divisors (see below), whose sum is σ = 7353145800. Its totient is φ = 714334464.

The previous prime is 2321620699. The next prime is 2321620711. The reversal of 2321620704 is 4070261232.

2321620704 is a `hidden beast` number, since 2 + 32 + 1 + 620 + 7 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 754 + ... + 68145.

It is an arithmetic number, because the mean of its divisors is an integer number (61276215).

Almost surely, 2^2321620704 is an apocalyptic number.

2321620704 is a gapful number since it is divisible by the number (24) 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 2321620704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3676572900).

2321620704 is an abundant number, since it is smaller than the sum of its proper divisors (5031525096).

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

2321620704 is a wasteful number, since it uses less digits than its factorization.

2321620704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68934 (or 68917 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2321620704 is about 48183.1993956400. The cubic root of 2321620704 is about 1324.1293825485.

Adding to 2321620704 its reverse (4070261232), we get a palindrome (6391881936).

The spelling of 2321620704 in words is "two billion, three hundred twenty-one million, six hundred twenty thousand, seven hundred four".