70650577 has 2 divisors, whose sum is σ = 70650578. Its totient is φ = 70650576.

The previous prime is 70650563. The next prime is 70650647. The reversal of 70650577 is 77505607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61402896 + 9247681 = 7836^2 + 3041^2 .

It is a cyclic number.

It is not a de Polignac number, because 70650577 - 2⁷ = 70650449 is a prime.

It is not a weakly prime, because it can be changed into another prime (70650277) 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, 35325288 + 35325289.

It is an arithmetic number, because the mean of its divisors is an integer number (35325289).

Almost surely, 2^70650577 is an apocalyptic number.

It is an amenable number.

70650577 is a deficient number, since it is larger than the sum of its proper divisors (1).

70650577 is an equidigital number, since it uses as much as digits as its factorization.

70650577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 70650577 is about 8405.3897589582. The cubic root of 70650577 is about 413.4013631666.

The spelling of 70650577 in words is "seventy million, six hundred fifty thousand, five hundred seventy-seven".