70238943 has 6 divisors (see below), whose sum is σ = 101456264. Its totient is φ = 46825956.

The previous prime is 70238929. The next prime is 70238947. The reversal of 70238943 is 34983207.

It is not a de Polignac number, because 70238943 - 2⁵ = 70238911 is a prime.

It is a super-2 number, since 2×70238943² = 9867018227514498, 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 = 70238898 and 70238907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70238947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3902155 + ... + 3902172.

Almost surely, 2^70238943 is an apocalyptic number.

70238943 is a deficient number, since it is larger than the sum of its proper divisors (31217321).

70238943 is a wasteful number, since it uses less digits than its factorization.

70238943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804333 (or 7804330 counting only the distinct ones).

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

The square root of 70238943 is about 8380.8676758436. The cubic root of 70238943 is about 412.5969270851.

The spelling of 70238943 in words is "seventy million, two hundred thirty-eight thousand, nine hundred forty-three".