749680 has 20 divisors (see below), whose sum is σ = 1743192. Its totient is φ = 299840.

The previous prime is 749677. The next prime is 749701. The reversal of 749680 is 86947.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4606 + ... + 4765.

2⁷⁴⁹⁶⁸⁰ is an apocalyptic number.

It is an amenable number.

749680 is an abundant number, since it is smaller than the sum of its proper divisors (993512).

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

749680 is a wasteful number, since it uses less digits than its factorization.

749680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384 (or 9378 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 749680 is about 865.8406319872. The cubic root of 749680 is about 90.8431060570.

The spelling of 749680 in words is "seven hundred forty-nine thousand, six hundred eighty".