742336 has 28 divisors (see below), whose sum is σ = 1684528. Its totient is φ = 317952.

The previous prime is 742333. The next prime is 742351. The reversal of 742336 is 633247.

It is a tau number, because it is divible by the number of its divisors (28).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 742336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381 + ... + 1276.

2⁷⁴²³³⁶ is an apocalyptic number.

It is an amenable number.

742336 is an abundant number, since it is smaller than the sum of its proper divisors (942192).

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

742336 is a wasteful number, since it uses less digits than its factorization.

742336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1666 counting only the distinct ones).

The product of its digits is 3024, while the sum is 25.

The square root of 742336 is about 861.5892292734. The cubic root of 742336 is about 90.5454936455.

The spelling of 742336 in words is "seven hundred forty-two thousand, three hundred thirty-six".