74124345 has 8 divisors (see below), whose sum is σ = 118598976. Its totient is φ = 39532976.

The previous prime is 74124313. The next prime is 74124359. The reversal of 74124345 is 54342147.

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 74124345 - 2⁵ = 74124313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470797 + ... + 2470826.

It is an arithmetic number, because the mean of its divisors is an integer number (14824872).

Almost surely, 2^74124345 is an apocalyptic number.

It is an amenable number.

74124345 is a deficient number, since it is larger than the sum of its proper divisors (44474631).

74124345 is a wasteful number, since it uses less digits than its factorization.

74124345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941631.

The product of its digits is 13440, while the sum is 30.

The square root of 74124345 is about 8609.5496397895. The cubic root of 74124345 is about 420.0686679108.

The spelling of 74124345 in words is "seventy-four million, one hundred twenty-four thousand, three hundred forty-five".