742322 has 16 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 299328.

The previous prime is 742307. The next prime is 742327. The reversal of 742322 is 223247.

It is a happy number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 742294 and 742303.

It is not an unprimeable number, because it can be changed into a prime (742327) 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, 1322 + ... + 1797.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

2⁷⁴²³²² is an apocalyptic number.

742322 is a deficient number, since it is larger than the sum of its proper divisors (605518).

742322 is a wasteful number, since it uses less digits than its factorization.

742322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145.

The product of its digits is 672, while the sum is 20.

The square root of 742322 is about 861.5811047139. The cubic root of 742322 is about 90.5449244312.

Adding to 742322 its reverse (223247), we get a palindrome (965569).

It can be divided in two parts, 7423 and 22, that multiplied together give a triangular number (163306 = T₅₇₁).

The spelling of 742322 in words is "seven hundred forty-two thousand, three hundred twenty-two", and thus it is an iban number.