726047028 has 36 divisors (see below), whose sum is σ = 2097469920. Its totient is φ = 207441936.

The previous prime is 726047017. The next prime is 726047087. The reversal of 726047028 is 820740627.

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

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 = 726046983 and 726047001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1440318 + ... + 1440821.

Almost surely, 2^726047028 is an apocalyptic number.

It is an amenable number.

726047028 is an abundant number, since it is smaller than the sum of its proper divisors (1371422892).

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

726047028 is a wasteful number, since it uses less digits than its factorization.

726047028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881156 (or 2881151 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 726047028 is about 26945.2598428740. The cubic root of 726047028 is about 898.7831406526.

The spelling of 726047028 in words is "seven hundred twenty-six million, forty-seven thousand, twenty-eight".