726716512 has 24 divisors (see below), whose sum is σ = 1463998536. Its totient is φ = 354907392.

The previous prime is 726716509. The next prime is 726716537. The reversal of 726716512 is 215617627.

It is a super-2 number, since 2×726716512² = 1056233777626892288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262693 + ... + 265444.

It is an arithmetic number, because the mean of its divisors is an integer number (60999939).

Almost surely, 2^726716512 is an apocalyptic number.

It is an amenable number.

726716512 is an abundant number, since it is smaller than the sum of its proper divisors (737282024).

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

726716512 is a wasteful number, since it uses less digits than its factorization.

726716512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528190 (or 528182 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 726716512 is about 26957.6800188740. The cubic root of 726716512 is about 899.0593101273.

The spelling of 726716512 in words is "seven hundred twenty-six million, seven hundred sixteen thousand, five hundred twelve".