74815343 has 8 divisors (see below), whose sum is σ = 78154848. Its totient is φ = 71483104.

The previous prime is 74815339. The next prime is 74815361. The reversal of 74815343 is 34351847.

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 74815343 - 2² = 74815339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74815303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38921 + ... + 40797.

It is an arithmetic number, because the mean of its divisors is an integer number (9769356).

Almost surely, 2^74815343 is an apocalyptic number.

74815343 is a deficient number, since it is larger than the sum of its proper divisors (3339505).

74815343 is a wasteful number, since it uses less digits than its factorization.

74815343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its digits is 40320, while the sum is 35.

The square root of 74815343 is about 8649.5862906847. The cubic root of 74815343 is about 421.3699465598.

The spelling of 74815343 in words is "seventy-four million, eight hundred fifteen thousand, three hundred forty-three".