74072448 has 64 divisors (see below), whose sum is σ = 218626800. Its totient is φ = 24689664.

The previous prime is 74072441. The next prime is 74072473. The reversal of 74072448 is 84427047.

74072448 is a `hidden beast` number, since 7 + 407 + 244 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (74072441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7261 + ... + 14172.

Almost surely, 2^74072448 is an apocalyptic number.

It is an amenable number.

74072448 is an abundant number, since it is smaller than the sum of its proper divisors (144554352).

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

74072448 is a wasteful number, since it uses less digits than its factorization.

74072448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21456 (or 21438 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 74072448 is about 8606.5351913531. The cubic root of 74072448 is about 419.9706101884.

The spelling of 74072448 in words is "seventy-four million, seventy-two thousand, four hundred forty-eight".