74469774 has 16 divisors (see below), whose sum is σ = 149040720. Its totient is φ = 24806400.

The previous prime is 74469757. The next prime is 74469779. The reversal of 74469774 is 47796447.

It is a super-2 number, since 2×74469774² = 11091494479222152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74469779) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8142 + ... + 14670.

It is an arithmetic number, because the mean of its divisors is an integer number (9315045).

Almost surely, 2^74469774 is an apocalyptic number.

74469774 is an abundant number, since it is smaller than the sum of its proper divisors (74570946).

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

74469774 is a wasteful number, since it uses less digits than its factorization.

74469774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435.

The product of its digits is 1185408, while the sum is 48.

The square root of 74469774 is about 8629.5871280149. The cubic root of 74469774 is about 420.7201816192.

The spelling of 74469774 in words is "seventy-four million, four hundred sixty-nine thousand, seven hundred seventy-four".