720602743 has 8 divisors (see below), whose sum is σ = 823727520. Its totient is φ = 617523360.

The previous prime is 720602737. The next prime is 720602761. The reversal of 720602743 is 347206027.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720602743 - 2⁵ = 720602711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720602723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35673 + ... + 52093.

It is an arithmetic number, because the mean of its divisors is an integer number (102965940).

Almost surely, 2^720602743 is an apocalyptic number.

720602743 is a deficient number, since it is larger than the sum of its proper divisors (103124777).

720602743 is a wasteful number, since it uses less digits than its factorization.

720602743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22697.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 720602743 is about 26844.0448330724. The cubic root of 720602743 is about 896.5309846768.

The spelling of 720602743 in words is "seven hundred twenty million, six hundred two thousand, seven hundred forty-three".