74543976 has 80 divisors (see below), whose sum is σ = 224878500. Its totient is φ = 22934016.

The previous prime is 74543947. The next prime is 74544017. The reversal of 74543976 is 67934547.

It can be written as a sum of positive squares in 2 ways, for example, as 53144100 + 21399876 = 7290^2 + 4626^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 4000 + ... + 12848.

Almost surely, 2^74543976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74543976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112439250).

74543976 is an abundant number, since it is smaller than the sum of its proper divisors (150334524).

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

74543976 is a wasteful number, since it uses less digits than its factorization.

74543976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880 (or 8867 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 74543976 is about 8633.8853362782. The cubic root of 74543976 is about 420.8598710274.

The spelling of 74543976 in words is "seventy-four million, five hundred forty-three thousand, nine hundred seventy-six".