70584161 has 2 divisors, whose sum is σ = 70584162. Its totient is φ = 70584160.

The previous prime is 70584139. The next prime is 70584169. The reversal of 70584161 is 16148507.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55413136 + 15171025 = 7444^2 + 3895^2 .

It is a cyclic number.

It is not a de Polignac number, because 70584161 - 2⁶ = 70584097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70584169) 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, 35292080 + 35292081.

It is an arithmetic number, because the mean of its divisors is an integer number (35292081).

Almost surely, 2^70584161 is an apocalyptic number.

It is an amenable number.

70584161 is a deficient number, since it is larger than the sum of its proper divisors (1).

70584161 is an equidigital number, since it uses as much as digits as its factorization.

70584161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 70584161 is about 8401.4380316705. The cubic root of 70584161 is about 413.2717814316.

The spelling of 70584161 in words is "seventy million, five hundred eighty-four thousand, one hundred sixty-one".