670824079 has 2 divisors, whose sum is σ = 670824080. Its totient is φ = 670824078.

The previous prime is 670824073. The next prime is 670824107. The reversal of 670824079 is 970428076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670824079 - 2⁹ = 670823567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670824073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335412039 + 335412040.

It is an arithmetic number, because the mean of its divisors is an integer number (335412040).

Almost surely, 2^670824079 is an apocalyptic number.

670824079 is a deficient number, since it is larger than the sum of its proper divisors (1).

670824079 is an equidigital number, since it uses as much as digits as its factorization.

670824079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 670824079 is about 25900.2717939407. The cubic root of 670824079 is about 875.3926201009.

The spelling of 670824079 in words is "six hundred seventy million, eight hundred twenty-four thousand, seventy-nine".