749552 has 20 divisors (see below), whose sum is σ = 1473120. Its totient is φ = 369408.

The previous prime is 749543. The next prime is 749557. The reversal of 749552 is 255947.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749557) by changing a digit.

749552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (73656).

2⁷⁴⁹⁵⁵² is an apocalyptic number.

It is an amenable number.

749552 is a deficient number, since it is larger than the sum of its proper divisors (723568).

749552 is a wasteful number, since it uses less digits than its factorization.

749552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 674 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 749552 is about 865.7667122268. The cubic root of 749552 is about 90.8379355934.

The spelling of 749552 in words is "seven hundred forty-nine thousand, five hundred fifty-two".