70055291 has 2 divisors, whose sum is σ = 70055292. Its totient is φ = 70055290.

The previous prime is 70055287. The next prime is 70055339. The reversal of 70055291 is 19255007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70055291 - 2² = 70055287 is a prime.

It is not a weakly prime, because it can be changed into another prime (70055201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35027645 + 35027646.

It is an arithmetic number, because the mean of its divisors is an integer number (35027646).

Almost surely, 2^70055291 is an apocalyptic number.

70055291 is a deficient number, since it is larger than the sum of its proper divisors (1).

70055291 is an equidigital number, since it uses as much as digits as its factorization.

70055291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 70055291 is about 8369.9038823633. The cubic root of 70055291 is about 412.2370109408.

The spelling of 70055291 in words is "seventy million, fifty-five thousand, two hundred ninety-one".