70980577 has 2 divisors, whose sum is σ = 70980578. Its totient is φ = 70980576.

The previous prime is 70980563. The next prime is 70980587. The reversal of 70980577 is 77508907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68161536 + 2819041 = 8256^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 70980577 - 2⁷ = 70980449 is a prime.

It is a super-2 number, since 2×70980577² = 10076484622505858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70980517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35490288 + 35490289.

It is an arithmetic number, because the mean of its divisors is an integer number (35490289).

Almost surely, 2^70980577 is an apocalyptic number.

It is an amenable number.

70980577 is a deficient number, since it is larger than the sum of its proper divisors (1).

70980577 is an equidigital number, since it uses as much as digits as its factorization.

70980577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 70980577 is about 8424.9971513348. The cubic root of 70980577 is about 414.0440122952.

The spelling of 70980577 in words is "seventy million, nine hundred eighty thousand, five hundred seventy-seven".