726673936 has 20 divisors (see below), whose sum is σ = 1409437692. Its totient is φ = 362948096.

The previous prime is 726673933. The next prime is 726673939. The reversal of 726673936 is 639376627.

It is an interprime number because it is at equal distance from previous prime (726673933) and next prime (726673939).

It can be written as a sum of positive squares in 2 ways, for example, as 429318400 + 297355536 = 20720^2 + 17244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 726673936.

It is not an unprimeable number, because it can be changed into a prime (726673933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8581 + ... + 39076.

Almost surely, 2^726673936 is an apocalyptic number.

It is an amenable number.

726673936 is a deficient number, since it is larger than the sum of its proper divisors (682763756).

726673936 is a wasteful number, since it uses less digits than its factorization.

726673936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48618 (or 48612 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 49.

The square root of 726673936 is about 26956.8903251098. The cubic root of 726673936 is about 899.0417521130.

It can be divided in two parts, 726673 and 936, that added together give a square (727609 = 853²).

The spelling of 726673936 in words is "seven hundred twenty-six million, six hundred seventy-three thousand, nine hundred thirty-six".