749120 has 28 divisors (see below), whose sum is σ = 1784604. Its totient is φ = 299520.

The previous prime is 749093. The next prime is 749129. The reversal of 749120 is 21947.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 369664 = 616^2 + 608^2 .

It is a super-2 number, since 2×749120² = 1122361548800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749129) by changing a digit.

749120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 1490.

2⁷⁴⁹¹²⁰ is an apocalyptic number.

It is an amenable number.

749120 is an abundant number, since it is smaller than the sum of its proper divisors (1035484).

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

749120 is a wasteful number, since it uses less digits than its factorization.

749120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 749120 is about 865.5171864267. The cubic root of 749120 is about 90.8204809318.

The spelling of 749120 in words is "seven hundred forty-nine thousand, one hundred twenty".