74163225 has 24 divisors (see below), whose sum is σ = 124178560. Its totient is φ = 39049920.

The previous prime is 74163223. The next prime is 74163233. The reversal of 74163225 is 52236147.

It is not a de Polignac number, because 74163225 - 2¹ = 74163223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74163192 and 74163201.

It is not an unprimeable number, because it can be changed into a prime (74163223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334 + ... + 12183.

Almost surely, 2^74163225 is an apocalyptic number.

74163225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74163225 is a deficient number, since it is larger than the sum of its proper divisors (50015335).

74163225 is a wasteful number, since it uses less digits than its factorization.

74163225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12609 (or 12604 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 74163225 is about 8611.8073016063. The cubic root of 74163225 is about 420.1421004432.

The spelling of 74163225 in words is "seventy-four million, one hundred sixty-three thousand, two hundred twenty-five".