73889325 has 18 divisors (see below), whose sum is σ = 132344394. Its totient is φ = 39407520.

The previous prime is 73889323. The next prime is 73889353. The reversal of 73889325 is 52398837.

It can be written as a sum of positive squares in 3 ways, for example, as 1758276 + 72131049 = 1326^2 + 8493^2 .

It is not a de Polignac number, because 73889325 - 2¹ = 73889323 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 not an unprimeable number, because it can be changed into a prime (73889323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 163974 + ... + 164423.

Almost surely, 2^73889325 is an apocalyptic number.

73889325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73889325 is a deficient number, since it is larger than the sum of its proper divisors (58455069).

73889325 is a wasteful number, since it uses less digits than its factorization.

73889325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328413 (or 328405 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 73889325 is about 8595.8900062763. The cubic root of 73889325 is about 419.6242387480.

The spelling of 73889325 in words is "seventy-three million, eight hundred eighty-nine thousand, three hundred twenty-five".