18082070 has 8 divisors (see below), whose sum is σ = 32547744. Its totient is φ = 7232824.

The previous prime is 18082019. The next prime is 18082087. The reversal of 18082070 is 7028081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18082070² = 653922510969800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904094 + ... + 904113.

It is an arithmetic number, because the mean of its divisors is an integer number (4068468).

Almost surely, 2^18082070 is an apocalyptic number.

18082070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18082070 is a deficient number, since it is larger than the sum of its proper divisors (14465674).

18082070 is a wasteful number, since it uses less digits than its factorization.

18082070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808214.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 18082070 is about 4252.3017296518. The cubic root of 18082070 is about 262.4718397607.

The spelling of 18082070 in words is "eighteen million, eighty-two thousand, seventy".