670202107 has 2 divisors, whose sum is σ = 670202108. Its totient is φ = 670202106.

The previous prime is 670202089. The next prime is 670202131. The reversal of 670202107 is 701202076.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670202107 is a prime.

It is not a weakly prime, because it can be changed into another prime (670202167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335101053 + 335101054.

It is an arithmetic number, because the mean of its divisors is an integer number (335101054).

Almost surely, 2^670202107 is an apocalyptic number.

670202107 is a deficient number, since it is larger than the sum of its proper divisors (1).

670202107 is an equidigital number, since it uses as much as digits as its factorization.

670202107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 670202107 is about 25888.2619540208. The cubic root of 670202107 is about 875.1219887608.

The spelling of 670202107 in words is "six hundred seventy million, two hundred two thousand, one hundred seven".