720740782 has 8 divisors (see below), whose sum is σ = 1081290096. Its totient is φ = 360310752.

The previous prime is 720740773. The next prime is 720740791. The reversal of 720740782 is 287047027.

It is an interprime number because it is at equal distance from previous prime (720740773) and next prime (720740791).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12763 + ... + 40054.

It is an arithmetic number, because the mean of its divisors is an integer number (135161262).

Almost surely, 2^720740782 is an apocalyptic number.

720740782 is a deficient number, since it is larger than the sum of its proper divisors (360549314).

720740782 is a wasteful number, since it uses less digits than its factorization.

720740782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59642.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 720740782 is about 26846.6158388725. The cubic root of 720740782 is about 896.5882276540.

The spelling of 720740782 in words is "seven hundred twenty million, seven hundred forty thousand, seven hundred eighty-two".