74144274 has 8 divisors (see below), whose sum is σ = 148288560. Its totient is φ = 24714756.

The previous prime is 74144269. The next prime is 74144309. The reversal of 74144274 is 47244147.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

74144274 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6178684 + ... + 6178695.

It is an arithmetic number, because the mean of its divisors is an integer number (18536070).

Almost surely, 2^74144274 is an apocalyptic number.

74144274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74144274 is a wasteful number, since it uses less digits than its factorization.

74144274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357384.

The product of its digits is 25088, while the sum is 33.

The square root of 74144274 is about 8610.7069396188. The cubic root of 74144274 is about 420.1063109566.

The spelling of 74144274 in words is "seventy-four million, one hundred forty-four thousand, two hundred seventy-four".