74134574080 has 88 divisors (see below), whose sum is σ = 203241356928. Its totient is φ = 25417555968.

The previous prime is 74134574077. The next prime is 74134574081. The reversal of 74134574080 is 8047543147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74134574081) 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, 998404 + ... + 1070083.

Almost surely, 2^74134574080 is an apocalyptic number.

74134574080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74134574080 is an abundant number, since it is smaller than the sum of its proper divisors (129106782848).

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

74134574080 is a wasteful number, since it uses less digits than its factorization.

74134574080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068519 (or 2068501 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 74134574080 in words is "seventy-four billion, one hundred thirty-four million, five hundred seventy-four thousand, eighty".