74949225 has 24 divisors (see below), whose sum is σ = 133449792. Its totient is φ = 36897600.

The previous prime is 74949223. The next prime is 74949229. The reversal of 74949225 is 52294947.

It is not a de Polignac number, because 74949225 - 2¹ = 74949223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74949221) 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, 37461 + ... + 39410.

It is an arithmetic number, because the mean of its divisors is an integer number (5560408).

Almost surely, 2^74949225 is an apocalyptic number.

74949225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74949225 is a deficient number, since it is larger than the sum of its proper divisors (58500567).

74949225 is a wasteful number, since it uses less digits than its factorization.

74949225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76897 (or 76892 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 74949225 is about 8657.3220455289. The cubic root of 74949225 is about 421.6211438476.

The spelling of 74949225 in words is "seventy-four million, nine hundred forty-nine thousand, two hundred twenty-five".