749311 has 4 divisors (see below), whose sum is σ = 754072. Its totient is φ = 744552.

The previous prime is 749299. The next prime is 749323. The reversal of 749311 is 113947.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (749299) and next prime (749323).

It is a cyclic number.

It is not a de Polignac number, because 749311 - 2⁵ = 749279 is a prime.

It is a super-2 number, since 2×749311² = 1122933949442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749351) 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, 2136 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (188518).

2⁷⁴⁹³¹¹ is an apocalyptic number.

749311 is a deficient number, since it is larger than the sum of its proper divisors (4761).

749311 is a wasteful number, since it uses less digits than its factorization.

749311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760.

The product of its digits is 756, while the sum is 25.

The square root of 749311 is about 865.6275180469. The cubic root of 749311 is about 90.8281989822.

The spelling of 749311 in words is "seven hundred forty-nine thousand, three hundred eleven".