18770080 has 48 divisors (see below), whose sum is σ = 50682240. Its totient is φ = 6435072.

The previous prime is 18770077. The next prime is 18770099. The reversal of 18770080 is 8007781.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7260 + ... + 9499.

It is an arithmetic number, because the mean of its divisors is an integer number (1055880).

Almost surely, 2^18770080 is an apocalyptic number.

18770080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18770080 is an abundant number, since it is smaller than the sum of its proper divisors (31912160).

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

18770080 is a wasteful number, since it uses less digits than its factorization.

18770080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16781 (or 16773 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 18770080 is about 4332.4450371586. The cubic root of 18770080 is about 265.7594448349.

The spelling of 18770080 in words is "eighteen million, seven hundred seventy thousand, eighty".