726047210 has 72 divisors (see below), whose sum is σ = 1589793156. Its totient is φ = 238022400.

The previous prime is 726047167. The next prime is 726047221. The reversal of 726047210 is 12740627.

It can be written as a sum of positive squares in 2 ways, for example, as 722910769 + 3136441 = 26887^2 + 1771^2 .

It is a super-2 number, since 2×726047210² = 1054289102297568200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 257810 + ... + 260610.

Almost surely, 2^726047210 is an apocalyptic number.

726047210 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

726047210 is an abundant number, since it is smaller than the sum of its proper divisors (863745946).

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

726047210 is a wasteful number, since it uses less digits than its factorization.

726047210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 726047210 is about 26945.2632200912. The cubic root of 726047210 is about 898.7832157527.

Adding to 726047210 its reverse (12740627), we get a palindrome (738787837).

The spelling of 726047210 in words is "seven hundred twenty-six million, forty-seven thousand, two hundred ten".