18742058 has 16 divisors (see below), whose sum is σ = 30274560. Its totient is φ = 8669376.

The previous prime is 18742051. The next prime is 18742069. The reversal of 18742058 is 85024781.

It is not an unprimeable number, because it can be changed into a prime (18742051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666 + ... + 6677.

It is an arithmetic number, because the mean of its divisors is an integer number (1892160).

Almost surely, 2^18742058 is an apocalyptic number.

18742058 is a deficient number, since it is larger than the sum of its proper divisors (11532502).

18742058 is a wasteful number, since it uses less digits than its factorization.

18742058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 18742058 is about 4329.2098586232. The cubic root of 18742058 is about 265.6271275124.

The spelling of 18742058 in words is "eighteen million, seven hundred forty-two thousand, fifty-eight".