70077061 has 2 divisors, whose sum is σ = 70077062. Its totient is φ = 70077060.

The previous prime is 70077031. The next prime is 70077089. The reversal of 70077061 is 16077007.

It is an a-pointer prime, because the next prime (70077089) can be obtained adding 70077061 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49773025 + 20304036 = 7055^2 + 4506^2 .

It is an emirp because it is prime and its reverse (16077007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70077061 - 2⁷ = 70076933 is a prime.

It is a super-3 number, since 3×70077061³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70077011) 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, 35038530 + 35038531.

It is an arithmetic number, because the mean of its divisors is an integer number (35038531).

Almost surely, 2^70077061 is an apocalyptic number.

It is an amenable number.

70077061 is a deficient number, since it is larger than the sum of its proper divisors (1).

70077061 is an equidigital number, since it uses as much as digits as its factorization.

70077061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 70077061 is about 8371.2042741770. The cubic root of 70077061 is about 412.2797080264.

The spelling of 70077061 in words is "seventy million, seventy-seven thousand, sixty-one".