726077766 has 16 divisors (see below), whose sum is σ = 1455311088. Its totient is φ = 241500000.

The previous prime is 726077741. The next prime is 726077767. The reversal of 726077766 is 667770627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726077767) 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 in 7 ways as a sum of consecutive naturals, for example, 128485 + ... + 134016.

It is an arithmetic number, because the mean of its divisors is an integer number (90956943).

Almost surely, 2^726077766 is an apocalyptic number.

726077766 is an abundant number, since it is smaller than the sum of its proper divisors (729233322).

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

726077766 is a wasteful number, since it uses less digits than its factorization.

726077766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262967.

The product of its (nonzero) digits is 1037232, while the sum is 48.

The square root of 726077766 is about 26945.8302154526. The cubic root of 726077766 is about 898.7958241314.

The spelling of 726077766 in words is "seven hundred twenty-six million, seventy-seven thousand, seven hundred sixty-six".