730581061 has 16 divisors (see below), whose sum is σ = 863223808. Its totient is φ = 605070000.

The previous prime is 730580987. The next prime is 730581067. The reversal of 730581061 is 160185037.

It is a cyclic number.

It is not a de Polignac number, because 730581061 - 2²¹ = 728483909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730581067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160726 + ... + 165208.

It is an arithmetic number, because the mean of its divisors is an integer number (53951488).

Almost surely, 2^730581061 is an apocalyptic number.

It is an amenable number.

730581061 is a deficient number, since it is larger than the sum of its proper divisors (132642747).

730581061 is a wasteful number, since it uses less digits than its factorization.

730581061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 730581061 is about 27029.2630495173. The cubic root of 730581061 is about 900.6501725800.

The spelling of 730581061 in words is "seven hundred thirty million, five hundred eighty-one thousand, sixty-one".