74448472 has 16 divisors (see below), whose sum is σ = 159532560. Its totient is φ = 31906464.

The previous prime is 74448461. The next prime is 74448547. The reversal of 74448472 is 27484447.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 664663 + ... + 664774.

It is an arithmetic number, because the mean of its divisors is an integer number (9970785).

Almost surely, 2^74448472 is an apocalyptic number.

It is an amenable number.

74448472 is an abundant number, since it is smaller than the sum of its proper divisors (85084088).

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

74448472 is a wasteful number, since it uses less digits than its factorization.

74448472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329450 (or 1329446 counting only the distinct ones).

The product of its digits is 200704, while the sum is 40.

The square root of 74448472 is about 8628.3527976086. The cubic root of 74448472 is about 420.6800622728.

The spelling of 74448472 in words is "seventy-four million, four hundred forty-eight thousand, four hundred seventy-two".