70447343 has 2 divisors, whose sum is σ = 70447344. Its totient is φ = 70447342.

The previous prime is 70447331. The next prime is 70447361. The reversal of 70447343 is 34374407.

It is a weak prime.

It is an emirp because it is prime and its reverse (34374407) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70447343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70447043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35223671 + 35223672.

It is an arithmetic number, because the mean of its divisors is an integer number (35223672).

Almost surely, 2^70447343 is an apocalyptic number.

70447343 is a deficient number, since it is larger than the sum of its proper divisors (1).

70447343 is an equidigital number, since it uses as much as digits as its factorization.

70447343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 70447343 is about 8393.2915474205. The cubic root of 70447343 is about 413.0045846040.

The spelling of 70447343 in words is "seventy million, four hundred forty-seven thousand, three hundred forty-three".