70020677 has 2 divisors, whose sum is σ = 70020678. Its totient is φ = 70020676.

The previous prime is 70020653. The next prime is 70020689. The reversal of 70020677 is 77602007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69789316 + 231361 = 8354^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 70020677 - 2¹⁶ = 69955141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70020607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35010338 + 35010339.

It is an arithmetic number, because the mean of its divisors is an integer number (35010339).

Almost surely, 2^70020677 is an apocalyptic number.

It is an amenable number.

70020677 is a deficient number, since it is larger than the sum of its proper divisors (1).

70020677 is an equidigital number, since it uses as much as digits as its factorization.

70020677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 70020677 is about 8367.8358612009. The cubic root of 70020677 is about 412.1691049461.

The spelling of 70020677 in words is "seventy million, twenty thousand, six hundred seventy-seven".