718667448 has 16 divisors (see below), whose sum is σ = 1796668680. Its totient is φ = 239555808.

The previous prime is 718667423. The next prime is 718667449. The reversal of 718667448 is 844766817.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 718667448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718667449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14972215 + ... + 14972262.

Almost surely, 2^718667448 is an apocalyptic number.

It is an amenable number.

718667448 is an abundant number, since it is smaller than the sum of its proper divisors (1078001232).

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

718667448 is a wasteful number, since it uses less digits than its factorization.

718667448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29944486 (or 29944482 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 718667448 is about 26807.9735899601. The cubic root of 718667448 is about 895.7276722070.

The spelling of 718667448 in words is "seven hundred eighteen million, six hundred sixty-seven thousand, four hundred forty-eight".