70000613 has 2 divisors, whose sum is σ = 70000614. Its totient is φ = 70000612.

The previous prime is 70000591. The next prime is 70000627. The reversal of 70000613 is 31600007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57729604 + 12271009 = 7598^2 + 3503^2 .

It is a cyclic number.

It is not a de Polignac number, because 70000613 - 2⁶ = 70000549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70000591 and 70000600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000306 + 35000307.

It is an arithmetic number, because the mean of its divisors is an integer number (35000307).

Almost surely, 2^70000613 is an apocalyptic number.

It is an amenable number.

70000613 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000613 is an equidigital number, since it uses as much as digits as its factorization.

70000613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 70000613 is about 8366.6368990174. The cubic root of 70000613 is about 412.1297330001.

The spelling of 70000613 in words is "seventy million, six hundred thirteen", and thus it is an aban number.