18070075 has 12 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 14396960.

The previous prime is 18070069. The next prime is 18070081. The reversal of 18070075 is 57007081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18070069) and next prime (18070081).

It is not a de Polignac number, because 18070075 - 2³ = 18070067 is a prime.

It is a super-2 number, since 2×18070075² = 653055221011250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5382 + ... + 8068.

It is an arithmetic number, because the mean of its divisors is an integer number (1874880).

Almost surely, 2^18070075 is an apocalyptic number.

18070075 is a deficient number, since it is larger than the sum of its proper divisors (4428485).

18070075 is a wasteful number, since it uses less digits than its factorization.

18070075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966 (or 2961 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 18070075 is about 4250.8910830554. The cubic root of 18070075 is about 262.4137887717.

The spelling of 18070075 in words is "eighteen million, seventy thousand, seventy-five".