719056640 has 72 divisors (see below), whose sum is σ = 1730474928. Its totient is φ = 286269440.

The previous prime is 719056603. The next prime is 719056649. The reversal of 719056640 is 46650917.

It is a junction number, because it is equal to n+sod(n) for n = 719056594 and 719056603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719056649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297035 + ... + 299445.

It is an arithmetic number, because the mean of its divisors is an integer number (24034374).

Almost surely, 2^719056640 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 719056640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865237464).

719056640 is an abundant number, since it is smaller than the sum of its proper divisors (1011418288).

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

719056640 is a wasteful number, since it uses less digits than its factorization.

719056640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2651 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 719056640 is about 26815.2314925678. The cubic root of 719056640 is about 895.8893358223.

The spelling of 719056640 in words is "seven hundred nineteen million, fifty-six thousand, six hundred forty".