74242799 has 8 divisors (see below), whose sum is σ = 77033088. Its totient is φ = 71477280.

The previous prime is 74242769. The next prime is 74242801. The reversal of 74242799 is 99724247.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74242799 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 (74242769) 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, 29 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (9629136).

Almost surely, 2^74242799 is an apocalyptic number.

74242799 is a deficient number, since it is larger than the sum of its proper divisors (2790289).

74242799 is a wasteful number, since it uses less digits than its factorization.

74242799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385.

The product of its digits is 254016, while the sum is 44.

The square root of 74242799 is about 8616.4261152754. The cubic root of 74242799 is about 420.2923116269.

The spelling of 74242799 in words is "seventy-four million, two hundred forty-two thousand, seven hundred ninety-nine".