70845361 has 2 divisors, whose sum is σ = 70845362. Its totient is φ = 70845360.

The previous prime is 70845329. The next prime is 70845367. The reversal of 70845361 is 16354807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48566961 + 22278400 = 6969^2 + 4720^2 .

It is a cyclic number.

It is not a de Polignac number, because 70845361 - 2⁵ = 70845329 is a prime.

It is not a weakly prime, because it can be changed into another prime (70845367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35422680 + 35422681.

It is an arithmetic number, because the mean of its divisors is an integer number (35422681).

Almost surely, 2^70845361 is an apocalyptic number.

It is an amenable number.

70845361 is a deficient number, since it is larger than the sum of its proper divisors (1).

70845361 is an equidigital number, since it uses as much as digits as its factorization.

70845361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 70845361 is about 8416.9686348471. The cubic root of 70845361 is about 413.7809311098.

The spelling of 70845361 in words is "seventy million, eight hundred forty-five thousand, three hundred sixty-one".