726053544 has 120 divisors (see below), whose sum is σ = 2160840990. Its totient is φ = 227722752.

The previous prime is 726053513. The next prime is 726053567. The reversal of 726053544 is 445350627.

726053544 is a `hidden beast` number, since 7 + 2 + 60 + 53 + 544 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 689692644 + 36360900 = 26262^2 + 6030^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 726053499 and 726053508.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 185334 + ... + 189210.

Almost surely, 2^726053544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726053544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080420495).

726053544 is an abundant number, since it is smaller than the sum of its proper divisors (1434787446).

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

726053544 is a wasteful number, since it uses less digits than its factorization.

726053544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 726053544 is about 26945.3807544076. The cubic root of 726053544 is about 898.7858293919.

The spelling of 726053544 in words is "seven hundred twenty-six million, fifty-three thousand, five hundred forty-four".