74523225 has 96 divisors (see below), whose sum is σ = 153640960. Its totient is φ = 31104000.

The previous prime is 74523221. The next prime is 74523269. The reversal of 74523225 is 52232547.

It is not a de Polignac number, because 74523225 - 2² = 74523221 is a prime.

It is a super-2 number, since 2×74523225² = 11107422128801250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74523192 and 74523201.

It is not an unprimeable number, because it can be changed into a prime (74523221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 309105 + ... + 309345.

Almost surely, 2^74523225 is an apocalyptic number.

74523225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74523225 is an abundant number, since it is smaller than the sum of its proper divisors (79117735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74523225 is a wasteful number, since it uses less digits than its factorization.

74523225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 306 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 74523225 is about 8632.6835341046. The cubic root of 74523225 is about 420.8208154518.

The spelling of 74523225 in words is "seventy-four million, five hundred twenty-three thousand, two hundred twenty-five".