719711994 has 8 divisors (see below), whose sum is σ = 1439424000. Its totient is φ = 239903996.

The previous prime is 719711989. The next prime is 719712023. The reversal of 719711994 is 499117917.

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

719711994 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59975994 + ... + 59976005.

It is an arithmetic number, because the mean of its divisors is an integer number (179928000).

Almost surely, 2^719711994 is an apocalyptic number.

719711994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

719711994 is a wasteful number, since it uses less digits than its factorization.

719711994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119952004.

The product of its digits is 142884, while the sum is 48.

The square root of 719711994 is about 26827.4485182620. The cubic root of 719711994 is about 896.1614267571.

It can be divided in two parts, 7197 and 11994, that added together give a palindrome (19191).

The spelling of 719711994 in words is "seven hundred nineteen million, seven hundred eleven thousand, nine hundred ninety-four".