730601505 has 16 divisors (see below), whose sum is σ = 1298847360. Its totient is φ = 389654064.

The previous prime is 730601497. The next prime is 730601527. The reversal of 730601505 is 505106037.

730601505 is a `hidden beast` number, since 7 + 3 + 0 + 601 + 50 + 5 = 666.

It is not a de Polignac number, because 730601505 - 2³ = 730601497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2705797 + ... + 2706066.

It is an arithmetic number, because the mean of its divisors is an integer number (81177960).

Almost surely, 2^730601505 is an apocalyptic number.

It is an amenable number.

730601505 is a deficient number, since it is larger than the sum of its proper divisors (568245855).

730601505 is a wasteful number, since it uses less digits than its factorization.

730601505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411877 (or 5411871 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 730601505 is about 27029.6412295835. The cubic root of 730601505 is about 900.6585735279.

The spelling of 730601505 in words is "seven hundred thirty million, six hundred one thousand, five hundred five".