670506079 has 2 divisors, whose sum is σ = 670506080. Its totient is φ = 670506078.

The previous prime is 670506049. The next prime is 670506091. The reversal of 670506079 is 970605076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670506079 - 2⁵ = 670506047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670506049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335253039 + 335253040.

It is an arithmetic number, because the mean of its divisors is an integer number (335253040).

Almost surely, 2^670506079 is an apocalyptic number.

670506079 is a deficient number, since it is larger than the sum of its proper divisors (1).

670506079 is an equidigital number, since it uses as much as digits as its factorization.

670506079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 670506079 is about 25894.1321345204. The cubic root of 670506079 is about 875.2542734212.

The spelling of 670506079 in words is "six hundred seventy million, five hundred six thousand, seventy-nine".