7070639 has 2 divisors, whose sum is σ = 7070640. Its totient is φ = 7070638.

The previous prime is 7070627. The next prime is 7070653. The reversal of 7070639 is 9360707.

7070639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7070639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7070689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535319 + 3535320.

It is an arithmetic number, because the mean of its divisors is an integer number (3535320).

Almost surely, 2^7070639 is an apocalyptic number.

7070639 is a deficient number, since it is larger than the sum of its proper divisors (1).

7070639 is an equidigital number, since it uses as much as digits as its factorization.

7070639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 7070639 is about 2659.0673176887. The cubic root of 7070639 is about 191.9344303733.

The spelling of 7070639 in words is "seven million, seventy thousand, six hundred thirty-nine".