747613 has 4 divisors (see below), whose sum is σ = 750780. Its totient is φ = 744448.

The previous prime is 747611. The next prime is 747619. The reversal of 747613 is 316747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316747 = 73 ⋅4339.

It can be written as a sum of positive squares in 2 ways, for example, as 702244 + 45369 = 838^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 747613 - 2¹ = 747611 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 (747611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198 + ... + 1711.

It is an arithmetic number, because the mean of its divisors is an integer number (187695).

2⁷⁴⁷⁶¹³ is an apocalyptic number.

It is an amenable number.

747613 is a deficient number, since it is larger than the sum of its proper divisors (3167).

747613 is a wasteful number, since it uses less digits than its factorization.

747613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166.

The product of its digits is 3528, while the sum is 28.

The square root of 747613 is about 864.6461704073. The cubic root of 747613 is about 90.7595390510.

The spelling of 747613 in words is "seven hundred forty-seven thousand, six hundred thirteen".