74118582225 has 120 divisors (see below), whose sum is σ = 143324239608. Its totient is φ = 37828684800.

The previous prime is 74118582157. The next prime is 74118582227. The reversal of 74118582225 is 52228581147.

74118582225 is a `hidden beast` number, since 7 + 41 + 1 + 8 + 582 + 2 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 13798731024 + 60319851201 = 117468^2 + 245601^2 .

It is not a de Polignac number, because 74118582225 - 2¹² = 74118578129 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (74118582227) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4562317 + ... + 4578533.

Almost surely, 2^74118582225 is an apocalyptic number.

74118582225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74118582225 is a deficient number, since it is larger than the sum of its proper divisors (69205657383).

74118582225 is a wasteful number, since it uses less digits than its factorization.

74118582225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16337 (or 16323 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The spelling of 74118582225 in words is "seventy-four billion, one hundred eighteen million, five hundred eighty-two thousand, two hundred twenty-five".