749056 has 80 divisors (see below), whose sum is σ = 1964160. Its totient is φ = 276480.

The previous prime is 749051. The next prime is 749069. The reversal of 749056 is 650947.

It is a super-2 number, since 2×749056² = 1122169782272, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749051) by changing a digit.

749056 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 7 ways as a sum of consecutive naturals, for example, 39415 + ... + 39433.

It is an arithmetic number, because the mean of its divisors is an integer number (24552).

2⁷⁴⁹⁰⁵⁶ is an apocalyptic number.

749056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982080).

749056 is an abundant number, since it is smaller than the sum of its proper divisors (1215104).

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

749056 is a wasteful number, since it uses less digits than its factorization.

749056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 749056 is about 865.4802135231. The cubic root of 749056 is about 90.8178944853.

The spelling of 749056 in words is "seven hundred forty-nine thousand, fifty-six".