74427024 has 40 divisors (see below), whose sum is σ = 219737920. Its totient is φ = 21264768.

The previous prime is 74427007. The next prime is 74427029. The reversal of 74427024 is 42072447.

It is a junction number, because it is equal to n+sod(n) for n = 74426982 and 74427000.

It is not an unprimeable number, because it can be changed into a prime (74427029) 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 7 ways as a sum of consecutive naturals, for example, 110419 + ... + 111090.

It is an arithmetic number, because the mean of its divisors is an integer number (5493448).

Almost surely, 2^74427024 is an apocalyptic number.

It is an amenable number.

74427024 is an abundant number, since it is smaller than the sum of its proper divisors (145310896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74427024 is a wasteful number, since it uses less digits than its factorization.

74427024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221527 (or 221521 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 74427024 is about 8627.1098289056. The cubic root of 74427024 is about 420.6396602232.

The spelling of 74427024 in words is "seventy-four million, four hundred twenty-seven thousand, twenty-four".