719449668 has 96 divisors (see below), whose sum is σ = 2243942400. Its totient is φ = 194734368.

The previous prime is 719449667. The next prime is 719449669. The reversal of 719449668 is 866944917.

719449668 is a `hidden beast` number, since 7 + 1 + 94 + 496 + 68 = 666.

719449668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (719449667) and next prime (719449669).

It is a super-3 number, since 3×719449668³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (719449663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10680 + ... + 39407.

It is an arithmetic number, because the mean of its divisors is an integer number (23374400).

Almost surely, 2^719449668 is an apocalyptic number.

It is an amenable number.

719449668 is an abundant number, since it is smaller than the sum of its proper divisors (1524492732).

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

719449668 is a wasteful number, since it uses less digits than its factorization.

719449668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50126 (or 50118 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 719449668 is about 26822.5589383265. The cubic root of 719449668 is about 896.0525336572.

The spelling of 719449668 in words is "seven hundred nineteen million, four hundred forty-nine thousand, six hundred sixty-eight".