1672442325 has 36 divisors (see below), whose sum is σ = 3098836260. Its totient is φ = 861208320.

The previous prime is 1672442323. The next prime is 1672442329. The reversal of 1672442325 is 5232442761.

It can be written as a sum of positive squares in 6 ways, for example, as 150038001 + 1522404324 = 12249^2 + 39018^2 .

It is not a de Polignac number, because 1672442325 - 2¹ = 1672442323 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672442325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672442323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 121632 + ... + 134681.

It is an arithmetic number, because the mean of its divisors is an integer number (86078785).

Almost surely, 2^1672442325 is an apocalyptic number.

1672442325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1672442325 is a deficient number, since it is larger than the sum of its proper divisors (1426393935).

1672442325 is a wasteful number, since it uses less digits than its factorization.

1672442325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256358 (or 256350 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 1672442325 is about 40895.5049485882. The cubic root of 1672442325 is about 1186.9990825436. Note that the first 3 decimals are identical.

It can be divided in two parts, 16724 and 42325, that added together give a 10-th power (59049 = 3¹⁰).

The spelling of 1672442325 in words is "one billion, six hundred seventy-two million, four hundred forty-two thousand, three hundred twenty-five".