70237943 has 2 divisors, whose sum is σ = 70237944. Its totient is φ = 70237942.

The previous prime is 70237939. The next prime is 70237949. The reversal of 70237943 is 34973207.

It is a weak prime.

It is an emirp because it is prime and its reverse (34973207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70237943 - 2² = 70237939 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70237949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35118971 + 35118972.

It is an arithmetic number, because the mean of its divisors is an integer number (35118972).

Almost surely, 2^70237943 is an apocalyptic number.

70237943 is a deficient number, since it is larger than the sum of its proper divisors (1).

70237943 is an equidigital number, since it uses as much as digits as its factorization.

70237943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 70237943 is about 8380.8080159374. The cubic root of 70237943 is about 412.5949690123.

The spelling of 70237943 in words is "seventy million, two hundred thirty-seven thousand, nine hundred forty-three".