740022 has 16 divisors (see below), whose sum is σ = 1531440. Its totient is φ = 238112.

The previous prime is 740021. The next prime is 740023. The reversal of 740022 is 220047.

It is an interprime number because it is at equal distance from previous prime (740021) and next prime (740023).

It is a junction number, because it is equal to n+sod(n) for n = 739983 and 740010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740021) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1953 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (95715).

2⁷⁴⁰⁰²² is an apocalyptic number.

740022 is an abundant number, since it is smaller than the sum of its proper divisors (791418).

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

740022 is a wasteful number, since it uses less digits than its factorization.

740022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 740022 is about 860.2453138495. The cubic root of 740022 is about 90.4513133117.

Adding to 740022 its reverse (220047), we get a palindrome (960069).

The spelling of 740022 in words is "seven hundred forty thousand, twenty-two", and thus it is an iban number.