70066849 has 2 divisors, whose sum is σ = 70066850. Its totient is φ = 70066848.

The previous prime is 70066817. The next prime is 70066859. The reversal of 70066849 is 94866007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42315025 + 27751824 = 6505^2 + 5268^2 .

It is a cyclic number.

It is not a de Polignac number, because 70066849 - 2⁵ = 70066817 is a prime.

It is not a weakly prime, because it can be changed into another prime (70066859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35033424 + 35033425.

It is an arithmetic number, because the mean of its divisors is an integer number (35033425).

Almost surely, 2^70066849 is an apocalyptic number.

It is an amenable number.

70066849 is a deficient number, since it is larger than the sum of its proper divisors (1).

70066849 is an equidigital number, since it uses as much as digits as its factorization.

70066849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 70066849 is about 8370.5943038711. The cubic root of 70066849 is about 412.2596805269.

The spelling of 70066849 in words is "seventy million, sixty-six thousand, eight hundred forty-nine".