74913347 has 8 divisors (see below), whose sum is σ = 77371200. Its totient is φ = 72491584.

The previous prime is 74913341. The next prime is 74913367. The reversal of 74913347 is 74331947.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74913347 - 2⁴ = 74913331 is a prime.

It is a super-2 number, since 2×74913347² = 11224019117484818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74913347.

It is not an unprimeable number, because it can be changed into a prime (74913341) 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 7 ways as a sum of consecutive naturals, for example, 4772 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (9671400).

Almost surely, 2^74913347 is an apocalyptic number.

74913347 is a deficient number, since it is larger than the sum of its proper divisors (2457853).

74913347 is a wasteful number, since it uses less digits than its factorization.

74913347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18045.

The product of its digits is 63504, while the sum is 38.

The square root of 74913347 is about 8655.2496786632. The cubic root of 74913347 is about 421.5538567930.

The spelling of 74913347 in words is "seventy-four million, nine hundred thirteen thousand, three hundred forty-seven".