74651225 has 48 divisors (see below), whose sum is σ = 106064640. Its totient is φ = 51643200.

The previous prime is 74651219. The next prime is 74651243. The reversal of 74651225 is 52215647.

It is not a de Polignac number, because 74651225 - 2¹⁶ = 74585689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74651191 and 74651200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 697622 + ... + 697728.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^74651225 is an apocalyptic number.

It is an amenable number.

74651225 is a deficient number, since it is larger than the sum of its proper divisors (31413415).

74651225 is a wasteful number, since it uses less digits than its factorization.

74651225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 74651225 is about 8640.0940388401. The cubic root of 74651225 is about 421.0616095331.

The spelling of 74651225 in words is "seventy-four million, six hundred fifty-one thousand, two hundred twenty-five".