740830 has 16 divisors (see below), whose sum is σ = 1391904. Its totient is φ = 283360.

The previous prime is 740801. The next prime is 740849. The reversal of 740830 is 38047.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (86994).

2⁷⁴⁰⁸³⁰ is an apocalyptic number.

740830 is a deficient number, since it is larger than the sum of its proper divisors (651074).

740830 is a wasteful number, since it uses less digits than its factorization.

740830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

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

The square root of 740830 is about 860.7148192055. The cubic root of 740830 is about 90.4842213774.

Adding to 740830 its reverse (38047), we get a palindrome (778877).

The spelling of 740830 in words is "seven hundred forty thousand, eight hundred thirty".