726066504 has 176 divisors, whose sum is σ = 2152323900. Its totient is φ = 229267584.

The previous prime is 726066491. The next prime is 726066527. The reversal of 726066504 is 405660627.

It can be written as a sum of positive squares in 2 ways, for example, as 714492900 + 11573604 = 26730^2 + 3402^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 13699342 + ... + 13699394.

Almost surely, 2^726066504 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 726066504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076161950).

726066504 is an abundant number, since it is smaller than the sum of its proper divisors (1426257396).

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

726066504 is an equidigital number, since it uses as much as digits as its factorization.

726066504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 726066504 is about 26945.6212398230. The cubic root of 726066504 is about 898.7911771127.

The spelling of 726066504 in words is "seven hundred twenty-six million, sixty-six thousand, five hundred four".