74134416 has 80 divisors (see below), whose sum is σ = 207201024. Its totient is φ = 22751232.

The previous prime is 74134391. The next prime is 74134427. The reversal of 74134416 is 61443147.

It is a super-2 number, since 2×74134416² = 10991823271322112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37386 + ... + 39318.

Almost surely, 2^74134416 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 74134416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103600512).

74134416 is an abundant number, since it is smaller than the sum of its proper divisors (133066608).

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

74134416 is a wasteful number, since it uses less digits than its factorization.

74134416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2002 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 74134416 is about 8610.1344937231. The cubic root of 74134416 is about 420.0876914403.

The spelling of 74134416 in words is "seventy-four million, one hundred thirty-four thousand, four hundred sixteen".