749211 has 4 divisors (see below), whose sum is σ = 998952. Its totient is φ = 499472.

The previous prime is 749209. The next prime is 749219. The reversal of 749211 is 112947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112947 = 3 ⋅37649.

It is a cyclic number.

It is not a de Polignac number, because 749211 - 2¹ = 749209 is a prime.

It is a super-2 number, since 2×749211² = 1122634245042, which contains 22 as substring.

It is a D-number.

749211 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749211.

It is not an unprimeable number, because it can be changed into a prime (749219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124866 + ... + 124871.

It is an arithmetic number, because the mean of its divisors is an integer number (249738).

2⁷⁴⁹²¹¹ is an apocalyptic number.

749211 is a deficient number, since it is larger than the sum of its proper divisors (249741).

749211 is a wasteful number, since it uses less digits than its factorization.

749211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249740.

The product of its digits is 504, while the sum is 24.

The square root of 749211 is about 865.5697545548. The cubic root of 749211 is about 90.8241582817.

It can be divided in two parts, 7492 and 11, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 749211 in words is "seven hundred forty-nine thousand, two hundred eleven".