18283727474 has 32 divisors (see below), whose sum is σ = 29618568000. Its totient is φ = 8438459904.

The previous prime is 18283727461. The next prime is 18283727521. The reversal of 18283727474 is 47472738281.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217262 + ... + 289430.

It is an arithmetic number, because the mean of its divisors is an integer number (925580250).

Almost surely, 2^18283727474 is an apocalyptic number.

18283727474 is a deficient number, since it is larger than the sum of its proper divisors (11334840526).

18283727474 is a wasteful number, since it uses less digits than its factorization.

18283727474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72362.

The product of its digits is 4214784, while the sum is 53.

The spelling of 18283727474 in words is "eighteen billion, two hundred eighty-three million, seven hundred twenty-seven thousand, four hundred seventy-four".