720604601 has 2 divisors, whose sum is σ = 720604602. Its totient is φ = 720604600.

The previous prime is 720604541. The next prime is 720604607. The reversal of 720604601 is 106406027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701455225 + 19149376 = 26485^2 + 4376^2 .

It is a cyclic number.

It is not a de Polignac number, because 720604601 - 2⁶ = 720604537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (720604607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360302300 + 360302301.

It is an arithmetic number, because the mean of its divisors is an integer number (360302301).

Almost surely, 2^720604601 is an apocalyptic number.

It is an amenable number.

720604601 is a deficient number, since it is larger than the sum of its proper divisors (1).

720604601 is an equidigital number, since it uses as much as digits as its factorization.

720604601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 720604601 is about 26844.0794403533. The cubic root of 720604601 is about 896.5317552138.

The spelling of 720604601 in words is "seven hundred twenty million, six hundred four thousand, six hundred one".