719945044 has 72 divisors (see below), whose sum is σ = 1615292448. Its totient is φ = 278147520.

The previous prime is 719945033. The next prime is 719945063. The reversal of 719945044 is 440549917.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 23 ways as a sum of consecutive naturals, for example, 106279 + ... + 112849.

Almost surely, 2^719945044 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 719945044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807646224).

719945044 is an abundant number, since it is smaller than the sum of its proper divisors (895347404).

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

719945044 is a wasteful number, since it uses less digits than its factorization.

719945044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645 (or 6636 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 719945044 is about 26831.7916658579. The cubic root of 719945044 is about 896.2581450202.

The spelling of 719945044 in words is "seven hundred nineteen million, nine hundred forty-five thousand, forty-four".