744471 has 40 divisors (see below), whose sum is σ = 1382304. Its totient is φ = 388800.

The previous prime is 744451. The next prime is 744493. The reversal of 744471 is 174447.

It is not a de Polignac number, because 744471 - 2⁶ = 744407 is a prime.

It is a super-3 number, since 3×744471³ = 1237840276864797333, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744431) 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 39 ways as a sum of consecutive naturals, for example, 7321 + ... + 7421.

2⁷⁴⁴⁴⁷¹ is an apocalyptic number.

744471 is the 546-th heptagonal number.

744471 is a deficient number, since it is larger than the sum of its proper divisors (637833).

744471 is a wasteful number, since it uses less digits than its factorization.

744471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 124 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 744471 is about 862.8273291917. The cubic root of 744471 is about 90.6322152004.

The spelling of 744471 in words is "seven hundred forty-four thousand, four hundred seventy-one", and thus it is an iban number.