730431053 has 4 divisors (see below), whose sum is σ = 796833888. Its totient is φ = 664028220.

The previous prime is 730431043. The next prime is 730431073. The reversal of 730431053 is 350134037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 730431053 - 2¹⁸ = 730168909 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 (730431043) 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 3 ways as a sum of consecutive naturals, for example, 33201401 + ... + 33201422.

It is an arithmetic number, because the mean of its divisors is an integer number (199208472).

Almost surely, 2^730431053 is an apocalyptic number.

It is an amenable number.

730431053 is a deficient number, since it is larger than the sum of its proper divisors (66402835).

730431053 is a wasteful number, since it uses less digits than its factorization.

730431053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66402834.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 730431053 is about 27026.4879886381. The cubic root of 730431053 is about 900.5885257684.

The spelling of 730431053 in words is "seven hundred thirty million, four hundred thirty-one thousand, fifty-three".