736426 has 8 divisors (see below), whose sum is σ = 1142820. Its totient is φ = 355488.

The previous prime is 736409. The next prime is 736429. The reversal of 736426 is 624637.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 15625 = 849^2 + 125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 736394 and 736403.

It is not an unprimeable number, because it can be changed into a prime (736429) 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 3 ways as a sum of consecutive naturals, for example, 6291 + ... + 6406.

2⁷³⁶⁴²⁶ is an apocalyptic number.

736426 is a deficient number, since it is larger than the sum of its proper divisors (406394).

736426 is a wasteful number, since it uses less digits than its factorization.

736426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12728.

The product of its digits is 6048, while the sum is 28.

The square root of 736426 is about 858.1526670704. The cubic root of 736426 is about 90.3045648811.

The spelling of 736426 in words is "seven hundred thirty-six thousand, four hundred twenty-six".