726837020 has 96 divisors (see below), whose sum is σ = 1977561600. Its totient is φ = 217914624.

The previous prime is 726836993. The next prime is 726837037. The reversal of 726837020 is 20738627.

726837020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24071 + ... + 45089.

It is an arithmetic number, because the mean of its divisors is an integer number (20599600).

Almost surely, 2^726837020 is an apocalyptic number.

726837020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726837020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988780800).

726837020 is an abundant number, since it is smaller than the sum of its proper divisors (1250724580).

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

726837020 is a wasteful number, since it uses less digits than its factorization.

726837020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21067 (or 21065 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 726837020 is about 26959.9150592134. The cubic root of 726837020 is about 899.1090029807.

The spelling of 726837020 in words is "seven hundred twenty-six million, eight hundred thirty-seven thousand, twenty".