743841 has 12 divisors (see below), whose sum is σ = 1228032. Its totient is φ = 425016.

The previous prime is 743837. The next prime is 743849. The reversal of 743841 is 148347.

743841 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 743841 - 2² = 743837 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

743841 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (743849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5841 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (102336).

2⁷⁴³⁸⁴¹ is an apocalyptic number.

It is an amenable number.

743841 is a deficient number, since it is larger than the sum of its proper divisors (484191).

743841 is a wasteful number, since it uses less digits than its factorization.

743841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820 (or 11817 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 743841 is about 862.4621730836. The cubic root of 743841 is about 90.6066424965.

Subtracting from 743841 its product of digits (2688), we obtain a triangular number (741153 = T₁₂₁₇).

The spelling of 743841 in words is "seven hundred forty-three thousand, eight hundred forty-one".