736740 has 36 divisors (see below), whose sum is σ = 2235324. Its totient is φ = 196416.

The previous prime is 736721. The next prime is 736741. The reversal of 736740 is 47637.

It can be written as a sum of positive squares in 2 ways, for example, as 285156 + 451584 = 534^2 + 672^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (736741) 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, 1867 + ... + 2226.

2⁷³⁶⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

736740 is an abundant number, since it is smaller than the sum of its proper divisors (1498584).

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

736740 is a wasteful number, since it uses less digits than its factorization.

736740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108 (or 4103 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 736740 is about 858.3355987025. The cubic root of 736740 is about 90.3173978538.

The spelling of 736740 in words is "seven hundred thirty-six thousand, seven hundred forty".