726061753 has 4 divisors (see below), whose sum is σ = 732722980. Its totient is φ = 719400528.

The previous prime is 726061747. The next prime is 726061783. The reversal of 726061753 is 357160627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 626601024 + 99460729 = 25032^2 + 9973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726061753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726061783) 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, 3330450 + ... + 3330667.

It is an arithmetic number, because the mean of its divisors is an integer number (183180745).

Almost surely, 2^726061753 is an apocalyptic number.

It is an amenable number.

726061753 is a deficient number, since it is larger than the sum of its proper divisors (6661227).

726061753 is a wasteful number, since it uses less digits than its factorization.

726061753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6661226.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 726061753 is about 26945.5330806425. The cubic root of 726061753 is about 898.7892167018.

The spelling of 726061753 in words is "seven hundred twenty-six million, sixty-one thousand, seven hundred fifty-three".