742482321 has 8 divisors (see below), whose sum is σ = 1131401664. Its totient is φ = 424275600.

The previous prime is 742482317. The next prime is 742482341. The reversal of 742482321 is 123284247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 742482321 - 2² = 742482317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (742482311) 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, 17678130 + ... + 17678171.

It is an arithmetic number, because the mean of its divisors is an integer number (141425208).

Almost surely, 2^742482321 is an apocalyptic number.

It is an amenable number.

742482321 is a deficient number, since it is larger than the sum of its proper divisors (388919343).

742482321 is a wasteful number, since it uses less digits than its factorization.

742482321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35356311.

The product of its digits is 21504, while the sum is 33.

The square root of 742482321 is about 27248.5287859730. The cubic root of 742482321 is about 905.5144236089.

The spelling of 742482321 in words is "seven hundred forty-two million, four hundred eighty-two thousand, three hundred twenty-one".