74434481325 has 18 divisors (see below), whose sum is σ = 133320426954. Its totient is φ = 39698389920.

The previous prime is 74434481323. The next prime is 74434481333. The reversal of 74434481325 is 52318443447.

74434481325 is a `hidden beast` number, since 74 + 4 + 3 + 448 + 132 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1484252676 + 72950228649 = 38526^2 + 270093^2 .

It is not a de Polignac number, because 74434481325 - 2¹ = 74434481323 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 (74434481323) 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, 165409734 + ... + 165410183.

Almost surely, 2^74434481325 is an apocalyptic number.

74434481325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74434481325 is a deficient number, since it is larger than the sum of its proper divisors (58885945629).

74434481325 is a wasteful number, since it uses less digits than its factorization.

74434481325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330819933 (or 330819925 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The spelling of 74434481325 in words is "seventy-four billion, four hundred thirty-four million, four hundred eighty-one thousand, three hundred twenty-five".