730633421 has 8 divisors (see below), whose sum is σ = 846448704. Its totient is φ = 617677920.

The previous prime is 730633411. The next prime is 730633441. The reversal of 730633421 is 124336037.

It is a happy number.

730633421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 730633421 - 2⁶ = 730633357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730633411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714395 + ... + 715416.

It is an arithmetic number, because the mean of its divisors is an integer number (105806088).

Almost surely, 2^730633421 is an apocalyptic number.

It is an amenable number.

730633421 is a deficient number, since it is larger than the sum of its proper divisors (115815283).

730633421 is a wasteful number, since it uses less digits than its factorization.

730633421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429891.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 730633421 is about 27030.2316120303. The cubic root of 730633421 is about 900.6716882926.

Adding to 730633421 its reverse (124336037), we get a palindrome (854969458).

The spelling of 730633421 in words is "seven hundred thirty million, six hundred thirty-three thousand, four hundred twenty-one".