18907068 has 48 divisors (see below), whose sum is σ = 45835776. Its totient is φ = 6061440.

The previous prime is 18907067. The next prime is 18907069. The reversal of 18907068 is 86070981.

It is an interprime number because it is at equal distance from previous prime (18907067) and next prime (18907069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18907067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40605 + ... + 41067.

It is an arithmetic number, because the mean of its divisors is an integer number (954912).

Almost surely, 2^18907068 is an apocalyptic number.

It is an amenable number.

18907068 is an abundant number, since it is smaller than the sum of its proper divisors (26928708).

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

18907068 is a wasteful number, since it uses less digits than its factorization.

18907068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 18907068 is about 4348.2258451005. The cubic root of 18907068 is about 266.4044011754.

The spelling of 18907068 in words is "eighteen million, nine hundred seven thousand, sixty-eight".