70938243 has 6 divisors (see below), whose sum is σ = 102466364. Its totient is φ = 47292156.

The previous prime is 70938227. The next prime is 70938247. The reversal of 70938243 is 34283907.

It is not a de Polignac number, because 70938243 - 2⁴ = 70938227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70938198 and 70938207.

It is not an unprimeable number, because it can be changed into a prime (70938247) 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 5 ways as a sum of consecutive naturals, for example, 3941005 + ... + 3941022.

Almost surely, 2^70938243 is an apocalyptic number.

70938243 is a deficient number, since it is larger than the sum of its proper divisors (31528121).

70938243 is a wasteful number, since it uses less digits than its factorization.

70938243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882033 (or 7882030 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 70938243 is about 8422.4843722028. The cubic root of 70938243 is about 413.9616816737.

The spelling of 70938243 in words is "seventy million, nine hundred thirty-eight thousand, two hundred forty-three".