74424348 has 36 divisors (see below), whose sum is σ = 192720528. Its totient is φ = 24202560.

The previous prime is 74424347. The next prime is 74424367. The reversal of 74424348 is 84342447.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74424341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23736 + ... + 26687.

It is an arithmetic number, because the mean of its divisors is an integer number (5353348).

Almost surely, 2^74424348 is an apocalyptic number.

It is an amenable number.

74424348 is an abundant number, since it is smaller than the sum of its proper divisors (118296180).

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

74424348 is a wasteful number, since it uses less digits than its factorization.

74424348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50474 (or 50469 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 74424348 is about 8626.9547350151. The cubic root of 74424348 is about 420.6346188410.

The spelling of 74424348 in words is "seventy-four million, four hundred twenty-four thousand, three hundred forty-eight".