74384074 has 4 divisors (see below), whose sum is σ = 111576114. Its totient is φ = 37192036.

The previous prime is 74384059. The next prime is 74384081. The reversal of 74384074 is 47048347.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47048347 = 157 ⋅299671.

It can be written as a sum of positive squares in only one way, i.e., 64112049 + 10272025 = 8007^2 + 3205^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18596017 + ... + 18596020.

Almost surely, 2^74384074 is an apocalyptic number.

74384074 is a deficient number, since it is larger than the sum of its proper divisors (37192040).

74384074 is a wasteful number, since it uses less digits than its factorization.

74384074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37192039.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 74384074 is about 8624.6202235229. The cubic root of 74384074 is about 420.5587310625.

The spelling of 74384074 in words is "seventy-four million, three hundred eighty-four thousand, seventy-four".