74347274 has 8 divisors (see below), whose sum is σ = 111592740. Its totient is φ = 37149696.

The previous prime is 74347253. The next prime is 74347277. The reversal of 74347274 is 47274347.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65496649 + 8850625 = 8093^2 + 2975^2 .

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

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74347277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7799 + ... + 14474.

Almost surely, 2^74347274 is an apocalyptic number.

74347274 is a deficient number, since it is larger than the sum of its proper divisors (37245466).

74347274 is a wasteful number, since it uses less digits than its factorization.

74347274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23944.

The product of its digits is 131712, while the sum is 38.

The square root of 74347274 is about 8622.4865323177. The cubic root of 74347274 is about 420.4893653439.

The spelling of 74347274 in words is "seventy-four million, three hundred forty-seven thousand, two hundred seventy-four".