740732 has 6 divisors (see below), whose sum is σ = 1296288. Its totient is φ = 370364.

The previous prime is 740717. The next prime is 740737. The reversal of 740732 is 237047.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 740698 and 740707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740737) by changing a digit.

740732 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 as a sum of consecutive naturals, namely, 92588 + ... + 92595.

It is an arithmetic number, because the mean of its divisors is an integer number (216048).

2⁷⁴⁰⁷³² is an apocalyptic number.

It is an amenable number.

740732 is a deficient number, since it is larger than the sum of its proper divisors (555556).

740732 is a wasteful number, since it uses less digits than its factorization.

740732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185187 (or 185185 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 740732 is about 860.6578878974. The cubic root of 740732 is about 90.4802313281.

Adding to 740732 its reverse (237047), we get a palindrome (977779).

The spelling of 740732 in words is "seven hundred forty thousand, seven hundred thirty-two".