747564 has 12 divisors (see below), whose sum is σ = 1744344. Its totient is φ = 249184.

The previous prime is 747563. The next prime is 747583. The reversal of 747564 is 465747.

747564 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×747564³ = 1253332761781626432, which contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (747563) 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, 31137 + ... + 31160.

It is an arithmetic number, because the mean of its divisors is an integer number (145362).

2⁷⁴⁷⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

747564 is an abundant number, since it is smaller than the sum of its proper divisors (996780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747564 is a wasteful number, since it uses less digits than its factorization.

747564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62304 (or 62302 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 747564 is about 864.6178346530. The cubic root of 747564 is about 90.7575561558.

The spelling of 747564 in words is "seven hundred forty-seven thousand, five hundred sixty-four".