18070032 has 40 divisors (see below), whose sum is σ = 47568384. Its totient is φ = 5908864.

The previous prime is 18070027. The next prime is 18070037. The reversal of 18070032 is 23007081.

It is an interprime number because it is at equal distance from previous prime (18070027) and next prime (18070037).

It is a junction number, because it is equal to n+sod(n) for n = 18069990 and 18070008.

It is not an unprimeable number, because it can be changed into a prime (18070037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008 + ... + 6095.

Almost surely, 2^18070032 is an apocalyptic number.

18070032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18070032 is an abundant number, since it is smaller than the sum of its proper divisors (29498352).

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

18070032 is a wasteful number, since it uses less digits than its factorization.

18070032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167 (or 7161 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 18070032 is about 4250.8860252893. The cubic root of 18070032 is about 262.4135806227.

The spelling of 18070032 in words is "eighteen million, seventy thousand, thirty-two".