74425406 has 12 divisors (see below), whose sum is σ = 122710056. Its totient is φ = 33829620.

The previous prime is 74425399. The next prime is 74425411. The reversal of 74425406 is 60452447.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153530 + ... + 154013.

It is an arithmetic number, because the mean of its divisors is an integer number (10225838).

Almost surely, 2^74425406 is an apocalyptic number.

74425406 is a deficient number, since it is larger than the sum of its proper divisors (48284650).

74425406 is a wasteful number, since it uses less digits than its factorization.

74425406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307567 (or 307556 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 74425406 is about 8627.0160542334. The cubic root of 74425406 is about 420.6366120477.

The spelling of 74425406 in words is "seventy-four million, four hundred twenty-five thousand, four hundred six".