743775013 has 4 divisors (see below), whose sum is σ = 755968108. Its totient is φ = 731581920.

The previous prime is 743775001. The next prime is 743775059. The reversal of 743775013 is 310577347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310577347 = 43 ⋅7222729.

It can be written as a sum of positive squares in 2 ways, for example, as 246395809 + 497379204 = 15697^2 + 22302^2 .

It is a cyclic number.

It is not a de Polignac number, because 743775013 - 2⁵ = 743774981 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 (743776013) 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, 6096456 + ... + 6096577.

It is an arithmetic number, because the mean of its divisors is an integer number (188992027).

Almost surely, 2^743775013 is an apocalyptic number.

It is an amenable number.

743775013 is a deficient number, since it is larger than the sum of its proper divisors (12193095).

743775013 is a wasteful number, since it uses less digits than its factorization.

743775013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193094.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 743775013 is about 27272.2388703238. The cubic root of 743775013 is about 906.0396314371.

The spelling of 743775013 in words is "seven hundred forty-three million, seven hundred seventy-five thousand, thirteen".