726340473670 has 48 divisors (see below), whose sum is σ = 1547486579808. Its totient is φ = 240443723520.

The previous prime is 726340473631. The next prime is 726340473673. The reversal of 726340473670 is 76374043627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726340473673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6110151 + ... + 6227890.

It is an arithmetic number, because the mean of its divisors is an integer number (32239303746).

Almost surely, 2^726340473670 is an apocalyptic number.

726340473670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

726340473670 is an abundant number, since it is smaller than the sum of its proper divisors (821146106138).

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

726340473670 is a wasteful number, since it uses less digits than its factorization.

726340473670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12338113 (or 12338084 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 49.

The spelling of 726340473670 in words is "seven hundred twenty-six billion, three hundred forty million, four hundred seventy-three thousand, six hundred seventy".