74966905 has 8 divisors (see below), whose sum is σ = 96880392. Its totient is φ = 55360128.

The previous prime is 74966893. The next prime is 74966909. The reversal of 74966905 is 50966947.

It can be written as a sum of positive squares in 4 ways, for example, as 2835856 + 72131049 = 1684^2 + 8493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74966905 - 2⁹ = 74966393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74966909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576604 + ... + 576733.

It is an arithmetic number, because the mean of its divisors is an integer number (12110049).

Almost surely, 2^74966905 is an apocalyptic number.

It is an amenable number.

74966905 is a deficient number, since it is larger than the sum of its proper divisors (21913487).

74966905 is a wasteful number, since it uses less digits than its factorization.

74966905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153355.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 74966905 is about 8658.3430862954. The cubic root of 74966905 is about 421.6542937379.

The spelling of 74966905 in words is "seventy-four million, nine hundred sixty-six thousand, nine hundred five".