736040 has 16 divisors (see below), whose sum is σ = 1656180. Its totient is φ = 294400.

The previous prime is 736039. The next prime is 736051. The reversal of 736040 is 40637.

736040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 729316 + 6724 = 854^2 + 82^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9161 + ... + 9240.

2⁷³⁶⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

736040 is an abundant number, since it is smaller than the sum of its proper divisors (920140).

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

736040 is a wasteful number, since it uses less digits than its factorization.

736040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18412 (or 18408 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 736040 is about 857.9277358846. The cubic root of 736040 is about 90.2887843166.

Adding to 736040 its reverse (40637), we get a palindrome (776677).

The spelling of 736040 in words is "seven hundred thirty-six thousand, forty".