740890 has 16 divisors (see below), whose sum is σ = 1365408. Its totient is φ = 289296.

The previous prime is 740849. The next prime is 740891. The reversal of 740890 is 98047.

740890 = T₃₆ + T₃₇ + ... + T₁₆₄.

740890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (740891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (85338).

2⁷⁴⁰⁸⁹⁰ is an apocalyptic number.

740890 is a deficient number, since it is larger than the sum of its proper divisors (624518).

740890 is a wasteful number, since it uses less digits than its factorization.

740890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 740890 is about 860.7496732500. The cubic root of 740890 is about 90.4866640911.

The spelling of 740890 in words is "seven hundred forty thousand, eight hundred ninety".