18070829 has 8 divisors (see below), whose sum is σ = 20728128. Its totient is φ = 15432480.

The previous prime is 18070817. The next prime is 18070831. The reversal of 18070829 is 92807081.

It is a happy number.

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

It is not a de Polignac number, because 18070829 - 2⁸ = 18070573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18070529) 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, 2627 + ... + 6560.

It is an arithmetic number, because the mean of its divisors is an integer number (2591016).

Almost surely, 2^18070829 is an apocalyptic number.

It is an amenable number.

18070829 is a deficient number, since it is larger than the sum of its proper divisors (2657299).

18070829 is an equidigital number, since it uses as much as digits as its factorization.

18070829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 18070829 is about 4250.9797694179. The cubic root of 18070829 is about 262.4174385858.

The spelling of 18070829 in words is "eighteen million, seventy thousand, eight hundred twenty-nine".