74609427 has 16 divisors (see below), whose sum is σ = 103617792. Its totient is φ = 47708640.

The previous prime is 74609399. The next prime is 74609443. The reversal of 74609427 is 72490647.

It is not a de Polignac number, because 74609427 - 2¹⁰ = 74608403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74602427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3148 + ... + 12614.

It is an arithmetic number, because the mean of its divisors is an integer number (6476112).

Almost surely, 2^74609427 is an apocalyptic number.

74609427 is a deficient number, since it is larger than the sum of its proper divisors (29008365).

74609427 is a wasteful number, since it uses less digits than its factorization.

74609427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 74609427 is about 8637.6748607481. The cubic root of 74609427 is about 420.9830092650.

The spelling of 74609427 in words is "seventy-four million, six hundred nine thousand, four hundred twenty-seven".