74586945 has 16 divisors (see below), whose sum is σ = 119668032. Its totient is φ = 39670080.

The previous prime is 74586929. The next prime is 74586949. The reversal of 74586945 is 54968547.

It is not a de Polignac number, because 74586945 - 2⁴ = 74586929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74586894 and 74586903.

It is not an unprimeable number, because it can be changed into a prime (74586949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071 + ... + 12260.

It is an arithmetic number, because the mean of its divisors is an integer number (7479252).

Almost surely, 2^74586945 is an apocalyptic number.

It is an amenable number.

74586945 is a deficient number, since it is larger than the sum of its proper divisors (45081087).

74586945 is a wasteful number, since it uses less digits than its factorization.

74586945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712.

The product of its digits is 1209600, while the sum is 48.

The square root of 74586945 is about 8636.3733708079. The cubic root of 74586945 is about 420.9407201906.

The spelling of 74586945 in words is "seventy-four million, five hundred eighty-six thousand, nine hundred forty-five".