18973068 has 24 divisors (see below), whose sum is σ = 46195968. Its totient is φ = 6049296.

The previous prime is 18973067. The next prime is 18973069. The reversal of 18973068 is 86037981.

It is an interprime number because it is at equal distance from previous prime (18973067) and next prime (18973069).

It is not an unprimeable number, because it can be changed into a prime (18973067) 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, 34096 + ... + 34647.

It is an arithmetic number, because the mean of its divisors is an integer number (1924832).

Almost surely, 2^18973068 is an apocalyptic number.

It is an amenable number.

18973068 is an abundant number, since it is smaller than the sum of its proper divisors (27222900).

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

18973068 is a wasteful number, since it uses less digits than its factorization.

18973068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68773 (or 68771 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 18973068 is about 4355.8085357371. The cubic root of 18973068 is about 266.7140256165.

The spelling of 18973068 in words is "eighteen million, nine hundred seventy-three thousand, sixty-eight".