70016057 has 2 divisors, whose sum is σ = 70016058. Its totient is φ = 70016056.

The previous prime is 70016039. The next prime is 70016059. The reversal of 70016057 is 75061007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38700841 + 31315216 = 6221^2 + 5596^2 .

It is a cyclic number.

It is not a de Polignac number, because 70016057 - 2⁶ = 70015993 is a prime.

Together with 70016059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70016059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35008028 + 35008029.

It is an arithmetic number, because the mean of its divisors is an integer number (35008029).

Almost surely, 2^70016057 is an apocalyptic number.

It is an amenable number.

70016057 is a deficient number, since it is larger than the sum of its proper divisors (1).

70016057 is an equidigital number, since it uses as much as digits as its factorization.

70016057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 70016057 is about 8367.5597996071. The cubic root of 70016057 is about 412.1600397041.

The spelling of 70016057 in words is "seventy million, sixteen thousand, fifty-seven".