1724368645 has 16 divisors (see below), whose sum is σ = 2142876672. Its totient is φ = 1330692480.

The previous prime is 1724368643. The next prime is 1724368651. The reversal of 1724368645 is 5468634271.

It is not a de Polignac number, because 1724368645 - 2¹ = 1724368643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1724368595 and 1724368604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1724368643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30744 + ... + 66286.

It is an arithmetic number, because the mean of its divisors is an integer number (133929792).

Almost surely, 2^1724368645 is an apocalyptic number.

It is an amenable number.

1724368645 is a deficient number, since it is larger than the sum of its proper divisors (418508027).

1724368645 is a wasteful number, since it uses less digits than its factorization.

1724368645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35892.

The product of its digits is 967680, while the sum is 46.

The square root of 1724368645 is about 41525.5179979732. The cubic root of 1724368645 is about 1199.1588190481.

The spelling of 1724368645 in words is "one billion, seven hundred twenty-four million, three hundred sixty-eight thousand, six hundred forty-five".