742812 has 48 divisors (see below), whose sum is σ = 2042880. Its totient is φ = 205632.

The previous prime is 742801. The next prime is 742817. The reversal of 742812 is 218247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742817) 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 15 ways as a sum of consecutive naturals, for example, 2989 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (42560).

2⁷⁴²⁸¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021440).

742812 is an abundant number, since it is smaller than the sum of its proper divisors (1300068).

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

742812 is a wasteful number, since it uses less digits than its factorization.

742812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 742812 is about 861.8654187285. The cubic root of 742812 is about 90.5648426762.

The spelling of 742812 in words is "seven hundred forty-two thousand, eight hundred twelve".