670063741 has 2 divisors, whose sum is σ = 670063742. Its totient is φ = 670063740.

The previous prime is 670063739. The next prime is 670063777. The reversal of 670063741 is 147360076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494395225 + 175668516 = 22235^2 + 13254^2 .

It is a cyclic number.

It is not a de Polignac number, because 670063741 - 2¹ = 670063739 is a prime.

Together with 670063739, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 670063697 and 670063706.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335031870 + 335031871.

It is an arithmetic number, because the mean of its divisors is an integer number (335031871).

Almost surely, 2^670063741 is an apocalyptic number.

It is an amenable number.

670063741 is a deficient number, since it is larger than the sum of its proper divisors (1).

670063741 is an equidigital number, since it uses as much as digits as its factorization.

670063741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 670063741 is about 25885.5894466400. The cubic root of 670063741 is about 875.0617604298.

The spelling of 670063741 in words is "six hundred seventy million, sixty-three thousand, seven hundred forty-one".