749864 has 16 divisors (see below), whose sum is σ = 1428000. Its totient is φ = 369072.

The previous prime is 749863. The next prime is 749891. The reversal of 749864 is 468947.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (749863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (89250).

2⁷⁴⁹⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

749864 is a deficient number, since it is larger than the sum of its proper divisors (678136).

749864 is a wasteful number, since it uses less digits than its factorization.

749864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1468 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 749864 is about 865.9468805879. The cubic root of 749864 is about 90.8505375674.

The spelling of 749864 in words is "seven hundred forty-nine thousand, eight hundred sixty-four".