70061077 has 2 divisors, whose sum is σ = 70061078. Its totient is φ = 70061076.

The previous prime is 70061051. The next prime is 70061081. The reversal of 70061077 is 77016007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63138916 + 6922161 = 7946^2 + 2631^2 .

It is an emirp because it is prime and its reverse (77016007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70061077 - 2²³ = 61672469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70661077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35030538 + 35030539.

It is an arithmetic number, because the mean of its divisors is an integer number (35030539).

Almost surely, 2^70061077 is an apocalyptic number.

It is an amenable number.

70061077 is a deficient number, since it is larger than the sum of its proper divisors (1).

70061077 is an equidigital number, since it uses as much as digits as its factorization.

70061077 is an evil number, because the sum of its binary digits is even.

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

The square root of 70061077 is about 8370.2495183835. The cubic root of 70061077 is about 412.2483597751.

The spelling of 70061077 in words is "seventy million, sixty-one thousand, seventy-seven".