749775 has 24 divisors (see below), whose sum is σ = 1336720. Its totient is φ = 368640.

The previous prime is 749773. The next prime is 749779. The reversal of 749775 is 577947.

It is not a de Polignac number, because 749775 - 2¹ = 749773 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591 + ... + 1359.

2⁷⁴⁹⁷⁷⁵ is an apocalyptic number.

749775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

749775 is a deficient number, since it is larger than the sum of its proper divisors (586945).

749775 is a wasteful number, since it uses less digits than its factorization.

749775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 790 counting only the distinct ones).

The product of its digits is 61740, while the sum is 39.

The square root of 749775 is about 865.8954902296. The cubic root of 749775 is about 90.8469431299.

The spelling of 749775 in words is "seven hundred forty-nine thousand, seven hundred seventy-five".