74486480 has 40 divisors (see below), whose sum is σ = 173540232. Its totient is φ = 29732864.

The previous prime is 74486473. The next prime is 74486491. The reversal of 74486480 is 8468447.

It can be written as a sum of positive squares in 4 ways, for example, as 19963024 + 54523456 = 4468^2 + 7384^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75752 + ... + 76728.

Almost surely, 2^74486480 is an apocalyptic number.

It is an amenable number.

74486480 is an abundant number, since it is smaller than the sum of its proper divisors (99053752).

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

74486480 is a wasteful number, since it uses less digits than its factorization.

74486480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1937 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 74486480 is about 8630.5550227086. Note that the first 3 decimals coincide. The cubic root of 74486480 is about 420.7516396881.

The spelling of 74486480 in words is "seventy-four million, four hundred eighty-six thousand, four hundred eighty".