18742514 has 8 divisors (see below), whose sum is σ = 32130048. Its totient is φ = 8032500.

The previous prime is 18742501. The next prime is 18742523. The reversal of 18742514 is 41524781.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669362 + ... + 669389.

It is an arithmetic number, because the mean of its divisors is an integer number (4016256).

Almost surely, 2^18742514 is an apocalyptic number.

18742514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18742514 is a deficient number, since it is larger than the sum of its proper divisors (13387534).

18742514 is a wasteful number, since it uses less digits than its factorization.

18742514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338760.

The product of its digits is 8960, while the sum is 32.

The square root of 18742514 is about 4329.2625238024. The cubic root of 18742514 is about 265.6292817580.

The spelling of 18742514 in words is "eighteen million, seven hundred forty-two thousand, five hundred fourteen".