1738664325 has 24 divisors (see below), whose sum is σ = 3193992000. Its totient is φ = 927287280.

The previous prime is 1738664297. The next prime is 1738664339. The reversal of 1738664325 is 5234668371.

It is not a de Polignac number, because 1738664325 - 2⁹ = 1738663813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1287225 + ... + 1288574.

It is an arithmetic number, because the mean of its divisors is an integer number (133083000).

Almost surely, 2^1738664325 is an apocalyptic number.

1738664325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1738664325 is a deficient number, since it is larger than the sum of its proper divisors (1455327675).

1738664325 is a wasteful number, since it uses less digits than its factorization.

1738664325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575818 (or 2575807 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 1738664325 is about 41697.2939769477. The cubic root of 1738664325 is about 1202.4635327942.

The spelling of 1738664325 in words is "one billion, seven hundred thirty-eight million, six hundred sixty-four thousand, three hundred twenty-five".