749544 has 16 divisors (see below), whose sum is σ = 1873920. Its totient is φ = 249840.

The previous prime is 749543. The next prime is 749557. The reversal of 749544 is 445947.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749544.

It is not an unprimeable number, because it can be changed into a prime (749543) by changing a digit.

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, 15592 + ... + 15639.

It is an arithmetic number, because the mean of its divisors is an integer number (117120).

2⁷⁴⁹⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

749544 is an abundant number, since it is smaller than the sum of its proper divisors (1124376).

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

749544 is a wasteful number, since it uses less digits than its factorization.

749544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31240 (or 31236 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 749544 is about 865.7620920322. The cubic root of 749544 is about 90.8376124199.

The spelling of 749544 in words is "seven hundred forty-nine thousand, five hundred forty-four".