740304 has 60 divisors (see below), whose sum is σ = 2132676. Its totient is φ = 239616.

The previous prime is 740303. The next prime is 740321. The reversal of 740304 is 403047.

740304 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 435600 + 304704 = 660^2 + 552^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740303) 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, 7584 + ... + 7680.

2⁷⁴⁰³⁰⁴ 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 740304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066338).

740304 is an abundant number, since it is smaller than the sum of its proper divisors (1392372).

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

740304 is a wasteful number, since it uses less digits than its factorization.

740304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 740304 is about 860.4092049717. The cubic root of 740304 is about 90.4628012724.

The spelling of 740304 in words is "seven hundred forty thousand, three hundred four", and thus it is an iban number.