740308 has 6 divisors (see below), whose sum is σ = 1295546. Its totient is φ = 370152.

The previous prime is 740303. The next prime is 740321. The reversal of 740308 is 803047.

It can be written as a sum of positive squares in only one way, i.e., 521284 + 219024 = 722^2 + 468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740303) by changing a digit.

740308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92535 + ... + 92542.

2⁷⁴⁰³⁰⁸ is an apocalyptic number.

It is an amenable number.

740308 is a deficient number, since it is larger than the sum of its proper divisors (555238).

740308 is a wasteful number, since it uses less digits than its factorization.

740308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185081 (or 185079 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 740308 is about 860.4115294439. The cubic root of 740308 is about 90.4629642012.

The spelling of 740308 in words is "seven hundred forty thousand, three hundred eight".