70475057 has 2 divisors, whose sum is σ = 70475058. Its totient is φ = 70475056.

The previous prime is 70475039. The next prime is 70475071. The reversal of 70475057 is 75057407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 602176 = 8359^2 + 776^2 .

It is an emirp because it is prime and its reverse (75057407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70475057 - 2²⁰ = 69426481 is a prime.

It is not a weakly prime, because it can be changed into another prime (70475077) 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, 35237528 + 35237529.

It is an arithmetic number, because the mean of its divisors is an integer number (35237529).

Almost surely, 2^70475057 is an apocalyptic number.

It is an amenable number.

70475057 is a deficient number, since it is larger than the sum of its proper divisors (1).

70475057 is an equidigital number, since it uses as much as digits as its factorization.

70475057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 70475057 is about 8394.9423464369. The cubic root of 70475057 is about 413.0587362012.

The spelling of 70475057 in words is "seventy million, four hundred seventy-five thousand, fifty-seven".