70229347 has 2 divisors, whose sum is σ = 70229348. Its totient is φ = 70229346.

The previous prime is 70229321. The next prime is 70229359. The reversal of 70229347 is 74392207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70229347 - 2¹⁵ = 70196579 is a prime.

It is a super-2 number, since 2×70229347² = 9864322360092818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70229317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35114673 + 35114674.

It is an arithmetic number, because the mean of its divisors is an integer number (35114674).

Almost surely, 2^70229347 is an apocalyptic number.

70229347 is a deficient number, since it is larger than the sum of its proper divisors (1).

70229347 is an equidigital number, since it uses as much as digits as its factorization.

70229347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 70229347 is about 8380.2951618663. The cubic root of 70229347 is about 412.5781366522.

The spelling of 70229347 in words is "seventy million, two hundred twenty-nine thousand, three hundred forty-seven".