18733942 has 8 divisors (see below), whose sum is σ = 29070000. Its totient is φ = 9043944.

The previous prime is 18733933. The next prime is 18733969. The reversal of 18733942 is 24933781.

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

It is a congruent number.

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, 161442 + ... + 161557.

It is an arithmetic number, because the mean of its divisors is an integer number (3633750).

Almost surely, 2^18733942 is an apocalyptic number.

18733942 is a deficient number, since it is larger than the sum of its proper divisors (10336058).

18733942 is a wasteful number, since it uses less digits than its factorization.

18733942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323030.

The product of its digits is 36288, while the sum is 37.

The square root of 18733942 is about 4328.2724036271. The cubic root of 18733942 is about 265.5887798733.

The spelling of 18733942 in words is "eighteen million, seven hundred thirty-three thousand, nine hundred forty-two".