74834427 has 8 divisors (see below), whose sum is σ = 99944464. Its totient is φ = 49807008.

The previous prime is 74834423. The next prime is 74834443. The reversal of 74834427 is 72443847.

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

It is not a de Polignac number, because 74834427 - 2² = 74834423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74834423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18508 + ... + 22185.

It is an arithmetic number, because the mean of its divisors is an integer number (12493058).

Almost surely, 2^74834427 is an apocalyptic number.

74834427 is a deficient number, since it is larger than the sum of its proper divisors (25110037).

74834427 is a wasteful number, since it uses less digits than its factorization.

74834427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41309.

The product of its digits is 150528, while the sum is 39.

The square root of 74834427 is about 8650.6893944934. The cubic root of 74834427 is about 421.4057713879.

The spelling of 74834427 in words is "seventy-four million, eight hundred thirty-four thousand, four hundred twenty-seven".