740928 has 56 divisors (see below), whose sum is σ = 2084832. Its totient is φ = 231424.

The previous prime is 740923. The next prime is 740939. The reversal of 740928 is 829047.

It is a junction number, because it is equal to n+sod(n) for n = 740895 and 740904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740923) by changing a digit.

740928 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 in 7 ways as a sum of consecutive naturals, for example, 3151 + ... + 3377.

2⁷⁴⁰⁹²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042416).

740928 is an abundant number, since it is smaller than the sum of its proper divisors (1343904).

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

740928 is a wasteful number, since it uses less digits than its factorization.

740928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 740928 is about 860.7717467482. The cubic root of 740928 is about 90.4882110749.

The spelling of 740928 in words is "seven hundred forty thousand, nine hundred twenty-eight".