719728768 has 32 divisors (see below), whose sum is σ = 1564186320. Its totient is φ = 327148800.

The previous prime is 719728747. The next prime is 719728783. The reversal of 719728768 is 867827917.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254178 + ... + 256993.

Almost surely, 2^719728768 is an apocalyptic number.

It is an amenable number.

719728768 is an abundant number, since it is smaller than the sum of its proper divisors (844457552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

719728768 is a wasteful number, since it uses less digits than its factorization.

719728768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511196 (or 511184 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 55.

The square root of 719728768 is about 26827.7611440090. The cubic root of 719728768 is about 896.1683888452.

The spelling of 719728768 in words is "seven hundred nineteen million, seven hundred twenty-eight thousand, seven hundred sixty-eight".