56730746 has 16 divisors (see below), whose sum is σ = 86249664. Its totient is φ = 27983424.

The previous prime is 56730743. The next prime is 56730763. The reversal of 56730746 is 64703765.

56730746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56730743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63515 + ... + 64401.

It is an arithmetic number, because the mean of its divisors is an integer number (5390604).

Almost surely, 2^56730746 is an apocalyptic number.

56730746 is a deficient number, since it is larger than the sum of its proper divisors (29518918).

56730746 is a wasteful number, since it uses less digits than its factorization.

56730746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 56730746 is about 7531.9815453837. The cubic root of 56730746 is about 384.2431773136.

It can be divided in two parts, 567 and 30746, that added together give a palindrome (31313).

The spelling of 56730746 in words is "fifty-six million, seven hundred thirty thousand, seven hundred forty-six".