730536057 has 8 divisors (see below), whose sum is σ = 1082275680. Its totient is φ = 487024020.

The previous prime is 730536043. The next prime is 730536083. The reversal of 730536057 is 750635037.

730536057 is a `hidden beast` number, since 73 + 0 + 536 + 0 + 57 = 666.

730536057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 730536057 - 2¹² = 730531961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730536017) 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, 13528419 + ... + 13528472.

It is an arithmetic number, because the mean of its divisors is an integer number (135284460).

Almost surely, 2^730536057 is an apocalyptic number.

It is an amenable number.

730536057 is a deficient number, since it is larger than the sum of its proper divisors (351739623).

730536057 is a wasteful number, since it uses less digits than its factorization.

730536057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27056900 (or 27056894 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 730536057 is about 27028.4305315718. The cubic root of 730536057 is about 900.6316787651.

The spelling of 730536057 in words is "seven hundred thirty million, five hundred thirty-six thousand, fifty-seven".