734049021 has 8 divisors (see below), whose sum is σ = 1030244320. Its totient is φ = 463609872.

The previous prime is 734049011. The next prime is 734049023. The reversal of 734049021 is 120940437.

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 734049021 - 2⁷ = 734048893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 734049021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734049023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6438970 + ... + 6439083.

It is an arithmetic number, because the mean of its divisors is an integer number (128780540).

Almost surely, 2^734049021 is an apocalyptic number.

It is an amenable number.

734049021 is a deficient number, since it is larger than the sum of its proper divisors (296195299).

734049021 is a wasteful number, since it uses less digits than its factorization.

734049021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878075.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 734049021 is about 27093.3390522468. The cubic root of 734049021 is about 902.0730079073.

Adding to 734049021 its reverse (120940437), we get a palindrome (854989458).

The spelling of 734049021 in words is "seven hundred thirty-four million, forty-nine thousand, twenty-one".