18770796 has 72 divisors (see below), whose sum is σ = 52363584. Its totient is φ = 5622240.

The previous prime is 18770789. The next prime is 18770797. The reversal of 18770796 is 69707781.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18770797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42151 + ... + 42593.

It is an arithmetic number, because the mean of its divisors is an integer number (727272).

Almost surely, 2^18770796 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 18770796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26181792).

18770796 is an abundant number, since it is smaller than the sum of its proper divisors (33592788).

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

18770796 is a wasteful number, since it uses less digits than its factorization.

18770796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 18770796 is about 4332.5276686941. The cubic root of 18770796 is about 265.7628239955.

The spelling of 18770796 in words is "eighteen million, seven hundred seventy thousand, seven hundred ninety-six".