70013833 has 4 divisors (see below), whose sum is σ = 70061328. Its totient is φ = 69966340.

The previous prime is 70013821. The next prime is 70013849. The reversal of 70013833 is 33831007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70013833 is a prime.

It is a super-2 number, since 2×70013833² = 9803873622703778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70013798 and 70013807.

It is not an unprimeable number, because it can be changed into a prime (70013813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21463 + ... + 24508.

It is an arithmetic number, because the mean of its divisors is an integer number (17515332).

Almost surely, 2^70013833 is an apocalyptic number.

It is an amenable number.

70013833 is a deficient number, since it is larger than the sum of its proper divisors (47495).

70013833 is a wasteful number, since it uses less digits than its factorization.

70013833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47494.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 70013833 is about 8367.4269043715. The cubic root of 70013833 is about 412.1556756878.

The spelling of 70013833 in words is "seventy million, thirteen thousand, eight hundred thirty-three".