726872148 has 18 divisors (see below), whose sum is σ = 1837371354. Its totient is φ = 242290704.

The previous prime is 726872143. The next prime is 726872183. The reversal of 726872148 is 841278627.

It can be written as a sum of positive squares in only one way, i.e., 726733764 + 138384 = 26958^2 + 372^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726872143) 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 5 ways as a sum of consecutive naturals, for example, 10095411 + ... + 10095482.

Almost surely, 2^726872148 is an apocalyptic number.

It is an amenable number.

726872148 is an abundant number, since it is smaller than the sum of its proper divisors (1110499206).

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

726872148 is a wasteful number, since it uses less digits than its factorization.

726872148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20190903 (or 20190898 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 726872148 is about 26960.5665370741. The cubic root of 726872148 is about 899.1234873797.

The spelling of 726872148 in words is "seven hundred twenty-six million, eight hundred seventy-two thousand, one hundred forty-eight".