726146736 has 80 divisors (see below), whose sum is σ = 2196192768. Its totient is φ = 202406400.

The previous prime is 726146713. The next prime is 726146761. The reversal of 726146736 is 637641627.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12580 + ... + 40131.

Almost surely, 2^726146736 is an apocalyptic number.

It is an amenable number.

726146736 is an abundant number, since it is smaller than the sum of its proper divisors (1470046032).

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

726146736 is a wasteful number, since it uses less digits than its factorization.

726146736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52770 (or 52764 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 726146736 is about 26947.1099749120. The cubic root of 726146736 is about 898.8242820498.

The spelling of 726146736 in words is "seven hundred twenty-six million, one hundred forty-six thousand, seven hundred thirty-six".