730432513 has 4 divisors (see below), whose sum is σ = 732812080. Its totient is φ = 728052948.

The previous prime is 730432511. The next prime is 730432531. The reversal of 730432513 is 315234037.

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 730432513 - 2¹ = 730432511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730432511) 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, 1189323 + ... + 1189936.

It is an arithmetic number, because the mean of its divisors is an integer number (183203020).

Almost surely, 2^730432513 is an apocalyptic number.

It is an amenable number.

730432513 is a deficient number, since it is larger than the sum of its proper divisors (2379567).

730432513 is a wasteful number, since it uses less digits than its factorization.

730432513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379566.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 730432513 is about 27026.5149991633. The cubic root of 730432513 is about 900.5891258060.

The spelling of 730432513 in words is "seven hundred thirty million, four hundred thirty-two thousand, five hundred thirteen".