719900 has 36 divisors (see below), whose sum is σ = 1635312. Its totient is φ = 274560.

The previous prime is 719893. The next prime is 719903. The reversal of 719900 is 9917.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 719900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719903) by changing a digit.

719900 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 11 ways as a sum of consecutive naturals, for example, 2144 + ... + 2456.

2⁷¹⁹⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 719900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817656).

719900 is an abundant number, since it is smaller than the sum of its proper divisors (915412).

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

719900 is a wasteful number, since it uses less digits than its factorization.

719900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 719900 is about 848.4692098126. The cubic root of 719900 is about 89.6239452902.

The spelling of 719900 in words is "seven hundred nineteen thousand, nine hundred".