18770368 has 28 divisors (see below), whose sum is σ = 37609272. Its totient is φ = 9294080.

The previous prime is 18770303. The next prime is 18770377. The reversal of 18770368 is 86307781.

It is a self number, because there is not a number n which added to its sum of digits gives 18770368.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5478 + ... + 8218.

Almost surely, 2^18770368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18770368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18804636).

18770368 is an abundant number, since it is smaller than the sum of its proper divisors (18838904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18770368 is a wasteful number, since it uses less digits than its factorization.

18770368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 18770368 is about 4332.4782746137. The cubic root of 18770368 is about 265.7608040607.

The spelling of 18770368 in words is "eighteen million, seven hundred seventy thousand, three hundred sixty-eight".