913768573 has 4 divisors (see below), whose sum is σ = 914840668. Its totient is φ = 912696480.

The previous prime is 913768549. The next prime is 913768643. The reversal of 913768573 is 375867319.

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 563255289 + 350513284 = 23733^2 + 18722^2 .

It is a cyclic number.

It is not a de Polignac number, because 913768573 - 2⁹ = 913768061 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 (913768523) 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, 534768 + ... + 536473.

It is an arithmetic number, because the mean of its divisors is an integer number (228710167).

Almost surely, 2^913768573 is an apocalyptic number.

It is an amenable number.

913768573 is a deficient number, since it is larger than the sum of its proper divisors (1072095).

913768573 is a wasteful number, since it uses less digits than its factorization.

913768573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072094.

The product of its digits is 952560, while the sum is 49.

The square root of 913768573 is about 30228.6052109587. The cubic root of 913768573 is about 970.3879742504.

The spelling of 913768573 in words is "nine hundred thirteen million, seven hundred sixty-eight thousand, five hundred seventy-three".