743427 has 24 divisors (see below), whose sum is σ = 1173744. Its totient is φ = 451584.

The previous prime is 743423. The next prime is 743447. The reversal of 743427 is 724347.

It is not a de Polignac number, because 743427 - 2² = 743423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 743427.

It is not an unprimeable number, because it can be changed into a prime (743423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6523 + ... + 6635.

It is an arithmetic number, because the mean of its divisors is an integer number (48906).

2⁷⁴³⁴²⁷ is an apocalyptic number.

743427 is a deficient number, since it is larger than the sum of its proper divisors (430317).

743427 is a wasteful number, since it uses less digits than its factorization.

743427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 176 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 743427 is about 862.2221291523. Note that the first 3 decimals coincide. The cubic root of 743427 is about 90.5898297138.

It can be divided in two parts, 7 and 43427, that added together give a palindrome (43434).

The spelling of 743427 in words is "seven hundred forty-three thousand, four hundred twenty-seven", and thus it is an iban number.