6743424 has 64 divisors (see below), whose sum is σ = 18984240. Its totient is φ = 2113536.

The previous prime is 6743381. The next prime is 6743431. The reversal of 6743424 is 4243476.

6743424 = 17² + 18² + ... + 272².

It is a tau number, because it is divible by the number of its divisors (64).

It is a d-powerful number, because it can be written as 6⁸ + 7 + 4⁴ + 3¹⁴ + 4⁷ + 2¹¹ + 4⁹ .

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6743391 and 6743400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6012 + ... + 7044.

Almost surely, 2^6743424 is an apocalyptic number.

6743424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6743424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9492120).

6743424 is an abundant number, since it is smaller than the sum of its proper divisors (12240816).

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

6743424 is a wasteful number, since it uses less digits than its factorization.

6743424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1055 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 6743424 is about 2596.8103511808. The cubic root of 6743424 is about 188.9267653891.

It can be divided in two parts, 6 and 743424, that multiplied together give a square (4460544 = 2112²).

The spelling of 6743424 in words is "six million, seven hundred forty-three thousand, four hundred twenty-four".