18070270 has 8 divisors (see below), whose sum is σ = 32526504. Its totient is φ = 7228104.

The previous prime is 18070259. The next prime is 18070301. The reversal of 18070270 is 7207081.

It is a happy number.

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

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, 903504 + ... + 903523.

It is an arithmetic number, because the mean of its divisors is an integer number (4065813).

Almost surely, 2^18070270 is an apocalyptic number.

18070270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18070270 is a deficient number, since it is larger than the sum of its proper divisors (14456234).

18070270 is a wasteful number, since it uses less digits than its factorization.

18070270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807034.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 18070270 is about 4250.9140193610. The cubic root of 18070270 is about 262.4147326989.

The spelling of 18070270 in words is "eighteen million, seventy thousand, two hundred seventy".