731366061 has 16 divisors (see below), whose sum is σ = 1033329600. Its totient is φ = 458535168.

The previous prime is 731366039. The next prime is 731366063. The reversal of 731366061 is 160663137.

It is not a de Polignac number, because 731366061 - 2⁶ = 731365997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731366063) 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 15 ways as a sum of consecutive naturals, for example, 69495 + ... + 79323.

It is an arithmetic number, because the mean of its divisors is an integer number (64583100).

Almost surely, 2^731366061 is an apocalyptic number.

It is an amenable number.

731366061 is a deficient number, since it is larger than the sum of its proper divisors (301963539).

731366061 is a wasteful number, since it uses less digits than its factorization.

731366061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 731366061 is about 27043.7804494860. The cubic root of 731366061 is about 900.9726361412.

It can be divided in two parts, 73136 and 6061, that added together give a palindrome (79197).

The spelling of 731366061 in words is "seven hundred thirty-one million, three hundred sixty-six thousand, sixty-one".