749679 has 16 divisors (see below), whose sum is σ = 1182720. Its totient is φ = 413280.

The previous prime is 749677. The next prime is 749701. The reversal of 749679 is 976947.

It is not a de Polignac number, because 749679 - 2¹ = 749677 is a prime.

749679 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 749679.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749679.

It is not an unprimeable number, because it can be changed into a prime (749677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁷⁴⁹⁶⁷⁹ is an apocalyptic number.

749679 is a deficient number, since it is larger than the sum of its proper divisors (433041).

749679 is a wasteful number, since it uses less digits than its factorization.

749679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270.

The product of its digits is 95256, while the sum is 42.

The square root of 749679 is about 865.8400545135. The cubic root of 749679 is about 90.8430656650.

The spelling of 749679 in words is "seven hundred forty-nine thousand, six hundred seventy-nine".