738724 has 18 divisors (see below), whose sum is σ = 1504230. Its totient is φ = 316512.

The previous prime is 738721. The next prime is 738743. The reversal of 738724 is 427837.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 33124 = 840^2 + 182^2 .

It is not an unprimeable number, because it can be changed into a prime (738721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1689 + ... + 2080.

2⁷³⁸⁷²⁴ is an apocalyptic number.

It is an amenable number.

738724 is an abundant number, since it is smaller than the sum of its proper divisors (765506).

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

738724 is a wasteful number, since it uses less digits than its factorization.

738724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3778 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 738724 is about 859.4905467776. The cubic root of 738724 is about 90.3983984367.

Subtracting from 738724 its product of digits (9408), we obtain a square (729316 = 854²).

The spelling of 738724 in words is "seven hundred thirty-eight thousand, seven hundred twenty-four".