740822 has 4 divisors (see below), whose sum is σ = 1111236. Its totient is φ = 370410.

The previous prime is 740801. The next prime is 740849. The reversal of 740822 is 228047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228047 = 97 ⋅2351.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 740822.

It is an unprimeable number.

740822 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 as a sum of consecutive naturals, namely, 185204 + ... + 185207.

It is an arithmetic number, because the mean of its divisors is an integer number (277809).

2⁷⁴⁰⁸²² is an apocalyptic number.

740822 is a deficient number, since it is larger than the sum of its proper divisors (370414).

740822 is a wasteful number, since it uses less digits than its factorization.

740822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370413.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 740822 is about 860.7101718930. The cubic root of 740822 is about 90.4838956723.

Adding to 740822 its reverse (228047), we get a palindrome (968869).

The spelling of 740822 in words is "seven hundred forty thousand, eight hundred twenty-two".