719457164 has 6 divisors (see below), whose sum is σ = 1259050044. Its totient is φ = 359728580.

The previous prime is 719457161. The next prime is 719457203. The reversal of 719457164 is 461754917.

It is a super-2 number, since 2×719457164² = 1035237221661845792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (719457161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89932142 + ... + 89932149.

It is an arithmetic number, because the mean of its divisors is an integer number (209841674).

Almost surely, 2^719457164 is an apocalyptic number.

It is an amenable number.

719457164 is a deficient number, since it is larger than the sum of its proper divisors (539592880).

719457164 is a wasteful number, since it uses less digits than its factorization.

719457164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179864295 (or 179864293 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 719457164 is about 26822.6986710883. The cubic root of 719457164 is about 896.0556456592.

The spelling of 719457164 in words is "seven hundred nineteen million, four hundred fifty-seven thousand, one hundred sixty-four".