70271801 has 2 divisors, whose sum is σ = 70271802. Its totient is φ = 70271800.

The previous prime is 70271797. The next prime is 70271809. The reversal of 70271801 is 10817207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 22316176 = 6925^2 + 4724^2 .

It is a cyclic number.

It is not a de Polignac number, because 70271801 - 2² = 70271797 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70271809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35135900 + 35135901.

It is an arithmetic number, because the mean of its divisors is an integer number (35135901).

Almost surely, 2^70271801 is an apocalyptic number.

It is an amenable number.

70271801 is a deficient number, since it is larger than the sum of its proper divisors (1).

70271801 is an equidigital number, since it uses as much as digits as its factorization.

70271801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 70271801 is about 8382.8277448603. The cubic root of 70271801 is about 412.6612551049.

The spelling of 70271801 in words is "seventy million, two hundred seventy-one thousand, eight hundred one".