720342255 has 8 divisors (see below), whose sum is σ = 1152547632. Its totient is φ = 384182528.

The previous prime is 720342247. The next prime is 720342263. The reversal of 720342255 is 552243027.

It is an interprime number because it is at equal distance from previous prime (720342247) and next prime (720342263).

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 720342255 - 2³ = 720342247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24011394 + ... + 24011423.

It is an arithmetic number, because the mean of its divisors is an integer number (144068454).

Almost surely, 2^720342255 is an apocalyptic number.

720342255 is a deficient number, since it is larger than the sum of its proper divisors (432205377).

720342255 is a wasteful number, since it uses less digits than its factorization.

720342255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48022825.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 720342255 is about 26839.1925176597. The cubic root of 720342255 is about 896.4229437758.

The spelling of 720342255 in words is "seven hundred twenty million, three hundred forty-two thousand, two hundred fifty-five".