726053472 has 36 divisors (see below), whose sum is σ = 2064715380. Its totient is φ = 242017728.

The previous prime is 726053467. The next prime is 726053491. The reversal of 726053472 is 274350627.

It is a happy number.

726053472 is a `hidden beast` number, since 7 + 2 + 605 + 3 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 1260222 + ... + 1260797.

It is an arithmetic number, because the mean of its divisors is an integer number (57353205).

Almost surely, 2^726053472 is an apocalyptic number.

726053472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

726053472 is an abundant number, since it is smaller than the sum of its proper divisors (1338661908).

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

726053472 is a wasteful number, since it uses less digits than its factorization.

726053472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521035 (or 2521024 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 726053472 is about 26945.3794183715. The cubic root of 726053472 is about 898.7857996821.

The spelling of 726053472 in words is "seven hundred twenty-six million, fifty-three thousand, four hundred seventy-two".