747404 has 12 divisors (see below), whose sum is σ = 1494864. Its totient is φ = 320304.

The previous prime is 747401. The next prime is 747407. The reversal of 747404 is 404747.

747404 is nontrivially palindromic in base 15.

It is an interprime number because it is at equal distance from previous prime (747401) and next prime (747407).

747404 is an admirable number.

It is a super-2 number, since 2×747404² = 1117225478432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13319 + ... + 13374.

It is an arithmetic number, because the mean of its divisors is an integer number (124572).

2⁷⁴⁷⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

747404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747404 is a wasteful number, since it uses less digits than its factorization.

747404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26704 (or 26702 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 747404 is about 864.5253032734. The cubic root of 747404 is about 90.7510807927.

The spelling of 747404 in words is "seven hundred forty-seven thousand, four hundred four", and thus it is an iban number.