612746723 has 2 divisors, whose sum is σ = 612746724. Its totient is φ = 612746722.

The previous prime is 612746707. The next prime is 612746731. The reversal of 612746723 is 327647216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612746723 - 2⁴ = 612746707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (612746773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306373361 + 306373362.

It is an arithmetic number, because the mean of its divisors is an integer number (306373362).

Almost surely, 2^612746723 is an apocalyptic number.

612746723 is a deficient number, since it is larger than the sum of its proper divisors (1).

612746723 is an equidigital number, since it uses as much as digits as its factorization.

612746723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 612746723 is about 24753.7213969940. The cubic root of 612746723 is about 849.3636404273.

The spelling of 612746723 in words is "six hundred twelve million, seven hundred forty-six thousand, seven hundred twenty-three".