70028243 has 16 divisors (see below), whose sum is σ = 77344800. Its totient is φ = 63141120.

The previous prime is 70028237. The next prime is 70028251. The reversal of 70028243 is 34282007.

It is not a de Polignac number, because 70028243 - 2⁸ = 70027987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70028293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39353 + ... + 41093.

It is an arithmetic number, because the mean of its divisors is an integer number (4834050).

Almost surely, 2^70028243 is an apocalyptic number.

70028243 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

70028243 is a deficient number, since it is larger than the sum of its proper divisors (7316557).

70028243 is a wasteful number, since it uses less digits than its factorization.

70028243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 70028243 is about 8368.2879372067. The cubic root of 70028243 is about 412.1839498903.

The spelling of 70028243 in words is "seventy million, twenty-eight thousand, two hundred forty-three".