18070080 has 112 divisors (see below), whose sum is σ = 65592960. Its totient is φ = 4128768.

The previous prime is 18070069. The next prime is 18070081. The reversal of 18070080 is 8007081.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 18070080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18070081) 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, 5376 + ... + 8064.

Almost surely, 2^18070080 is an apocalyptic number.

18070080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18070080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32796480).

18070080 is an abundant number, since it is smaller than the sum of its proper divisors (47522880).

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

18070080 is a wasteful number, since it uses less digits than its factorization.

18070080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 18070080 is about 4250.8916711674. The cubic root of 18070080 is about 262.4138129750.

The spelling of 18070080 in words is "eighteen million, seventy thousand, eighty".