74147074 has 4 divisors (see below), whose sum is σ = 111220614. Its totient is φ = 37073536.

The previous prime is 74147069. The next prime is 74147089. The reversal of 74147074 is 47074147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 4173849 = 8365^2 + 2043^2 .

It is a super-2 number, since 2×74147074² = 10995577165522952, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18536767 + ... + 18536770.

Almost surely, 2^74147074 is an apocalyptic number.

74147074 is a deficient number, since it is larger than the sum of its proper divisors (37073540).

74147074 is a wasteful number, since it uses less digits than its factorization.

74147074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37073539.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 74147074 is about 8610.8695263603. The cubic root of 74147074 is about 420.1115992178. Note that the first 3 decimals are identical.

The spelling of 74147074 in words is "seventy-four million, one hundred forty-seven thousand, seventy-four".