719817142 has 12 divisors (see below), whose sum is σ = 1186806348. Its totient is φ = 327189500.

The previous prime is 719817127. The next prime is 719817181. The reversal of 719817142 is 241718917.

It is a junction number, because it is equal to n+sod(n) for n = 719817095 and 719817104.

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 5 ways as a sum of consecutive naturals, for example, 1486984 + ... + 1487467.

It is an arithmetic number, because the mean of its divisors is an integer number (98900529).

Almost surely, 2^719817142 is an apocalyptic number.

719817142 is a deficient number, since it is larger than the sum of its proper divisors (466989206).

719817142 is a wasteful number, since it uses less digits than its factorization.

719817142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974475 (or 2974464 counting only the distinct ones).

The product of its digits is 28224, while the sum is 40.

The square root of 719817142 is about 26829.4081559769. The cubic root of 719817142 is about 896.2050668955.

The spelling of 719817142 in words is "seven hundred nineteen million, eight hundred seventeen thousand, one hundred forty-two".