726248412 has 18 divisors (see below), whose sum is σ = 1835794688. Its totient is φ = 242082792.

The previous prime is 726248399. The next prime is 726248417. The reversal of 726248412 is 214842627.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20173567 = 726248412 / (7 + 2 + 6 + 2 + 4 + 8 + 4 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726248417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10086748 + ... + 10086819.

Almost surely, 2^726248412 is an apocalyptic number.

It is an amenable number.

726248412 is an abundant number, since it is smaller than the sum of its proper divisors (1109546276).

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

726248412 is a wasteful number, since it uses less digits than its factorization.

726248412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20173577 (or 20173572 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 726248412 is about 26948.9964933761. The cubic root of 726248412 is about 898.8662316026.

The spelling of 726248412 in words is "seven hundred twenty-six million, two hundred forty-eight thousand, four hundred twelve".