612703667 has 2 divisors, whose sum is σ = 612703668. Its totient is φ = 612703666.

The previous prime is 612703661. The next prime is 612703669. The reversal of 612703667 is 766307216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612703667 - 2⁸ = 612703411 is a prime.

Together with 612703669, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612703667.

It is not a weakly prime, because it can be changed into another prime (612703661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306351833 + 306351834.

It is an arithmetic number, because the mean of its divisors is an integer number (306351834).

Almost surely, 2^612703667 is an apocalyptic number.

612703667 is a deficient number, since it is larger than the sum of its proper divisors (1).

612703667 is an equidigital number, since it uses as much as digits as its factorization.

612703667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 612703667 is about 24752.8516942998. The cubic root of 612703667 is about 849.3437458248.

The spelling of 612703667 in words is "six hundred twelve million, seven hundred three thousand, six hundred sixty-seven".