74223899 has 16 divisors (see below), whose sum is σ = 80693760. Its totient is φ = 68040000.

The previous prime is 74223893. The next prime is 74223911. The reversal of 74223899 is 99832247.

It is a cyclic number.

It is not a de Polignac number, because 74223899 - 2⁴ = 74223883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74223893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117314 + ... + 117944.

It is an arithmetic number, because the mean of its divisors is an integer number (5043360).

Almost surely, 2^74223899 is an apocalyptic number.

74223899 is a deficient number, since it is larger than the sum of its proper divisors (6469861).

74223899 is a wasteful number, since it uses less digits than its factorization.

74223899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its digits is 217728, while the sum is 44.

The square root of 74223899 is about 8615.3293030505. The cubic root of 74223899 is about 420.2566439754.

The spelling of 74223899 in words is "seventy-four million, two hundred twenty-three thousand, eight hundred ninety-nine".