749481 has 4 divisors (see below), whose sum is σ = 999312. Its totient is φ = 499652.

The previous prime is 749471. The next prime is 749543. The reversal of 749481 is 184947.

749481 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 749481 - 2⁵ = 749449 is a prime.

It is a super-2 number, since 2×749481² = 1123443538722, which contains 22 as substring.

It is a D-number.

749481 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (749401) 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, 124911 + ... + 124916.

It is an arithmetic number, because the mean of its divisors is an integer number (249828).

2⁷⁴⁹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

749481 is a deficient number, since it is larger than the sum of its proper divisors (249831).

749481 is a wasteful number, since it uses less digits than its factorization.

749481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249830.

The product of its digits is 8064, while the sum is 33.

The square root of 749481 is about 865.7257071382. The cubic root of 749481 is about 90.8350673481.

The spelling of 749481 in words is "seven hundred forty-nine thousand, four hundred eighty-one".