8742726413 has 4 divisors (see below), whose sum is σ = 8791568640. Its totient is φ = 8693884188.

The previous prime is 8742726407. The next prime is 8742726427. The reversal of 8742726413 is 3146272478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8742726413 - 2¹⁰ = 8742725389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742726913) 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, 24420845 + ... + 24421202.

It is an arithmetic number, because the mean of its divisors is an integer number (2197892160).

Almost surely, 2^8742726413 is an apocalyptic number.

It is an amenable number.

8742726413 is a deficient number, since it is larger than the sum of its proper divisors (48842227).

8742726413 is a wasteful number, since it uses less digits than its factorization.

8742726413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48842226.

The product of its digits is 451584, while the sum is 44.

The square root of 8742726413 is about 93502.5476283935. The cubic root of 8742726413 is about 2060.0715101484.

The spelling of 8742726413 in words is "eight billion, seven hundred forty-two million, seven hundred twenty-six thousand, four hundred thirteen".