735426 has 16 divisors (see below), whose sum is σ = 1634400. Its totient is φ = 245124.

The previous prime is 735421. The next prime is 735431. The reversal of 735426 is 624537.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (735421) and next prime (735431).

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 735426.

It is not an unprimeable number, because it can be changed into a prime (735421) by changing a digit.

735426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6756 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (102150).

2⁷³⁵⁴²⁶ is an apocalyptic number.

735426 is an abundant number, since it is smaller than the sum of its proper divisors (898974).

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

735426 is a wasteful number, since it uses less digits than its factorization.

735426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630 (or 13624 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 735426 is about 857.5698222302. The cubic root of 735426 is about 90.2636712177.

Subtracting from 735426 its reverse (624537), we obtain a square (110889 = 333²).

The spelling of 735426 in words is "seven hundred thirty-five thousand, four hundred twenty-six".