719074668 has 96 divisors (see below), whose sum is σ = 1904103936. Its totient is φ = 209544192.

The previous prime is 719074637. The next prime is 719074679. The reversal of 719074668 is 866470917.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382980 + ... + 384852.

It is an arithmetic number, because the mean of its divisors is an integer number (19834416).

Almost surely, 2^719074668 is an apocalyptic number.

719074668 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 719074668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952051968).

719074668 is an abundant number, since it is smaller than the sum of its proper divisors (1185029268).

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

719074668 is a wasteful number, since it uses less digits than its factorization.

719074668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 719074668 is about 26815.5676426959. The cubic root of 719074668 is about 895.8968229275.

The spelling of 719074668 in words is "seven hundred nineteen million, seventy-four thousand, six hundred sixty-eight".