749530 has 16 divisors (see below), whose sum is σ = 1428840. Its totient is φ = 282112.

The previous prime is 749471. The next prime is 749543. The reversal of 749530 is 35947.

It can be written as a sum of positive squares in 4 ways, for example, as 531441 + 218089 = 729^2 + 467^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035 + ... + 2374.

2⁷⁴⁹⁵³⁰ is an apocalyptic number.

749530 is a deficient number, since it is larger than the sum of its proper divisors (679310).

749530 is a wasteful number, since it uses less digits than its factorization.

749530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 749530 is about 865.7540066324. The cubic root of 749530 is about 90.8370468607.

It can be divided in two parts, 74 and 9530, that added together give a square (9604 = 98²).

The spelling of 749530 in words is "seven hundred forty-nine thousand, five hundred thirty".