2345174721 has 32 divisors (see below), whose sum is σ = 3562106240. Its totient is φ = 1524096000.

The previous prime is 2345174681. The next prime is 2345174729. The reversal of 2345174721 is 1274715432.

It is not a de Polignac number, because 2345174721 - 2¹⁹ = 2344650433 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2345174729) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 696081 + ... + 699441.

It is an arithmetic number, because the mean of its divisors is an integer number (111315820).

Almost surely, 2^2345174721 is an apocalyptic number.

It is an amenable number.

2345174721 is a deficient number, since it is larger than the sum of its proper divisors (1216931519).

2345174721 is a wasteful number, since it uses less digits than its factorization.

2345174721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014 (or 4008 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2345174721 is about 48427.0040473288. The cubic root of 2345174721 is about 1328.5923110884.

The spelling of 2345174721 in words is "two billion, three hundred forty-five million, one hundred seventy-four thousand, seven hundred twenty-one".