731446746 has 24 divisors (see below), whose sum is σ = 1491050400. Its totient is φ = 239209776.

The previous prime is 731446741. The next prime is 731446783. The reversal of 731446746 is 647644137.

It is a junction number, because it is equal to n+sod(n) for n = 731446698 and 731446707.

It is not an unprimeable number, because it can be changed into a prime (731446741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4846 + ... + 38553.

It is an arithmetic number, because the mean of its divisors is an integer number (62127100).

Almost surely, 2^731446746 is an apocalyptic number.

731446746 is an abundant number, since it is smaller than the sum of its proper divisors (759603654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

731446746 is a wasteful number, since it uses less digits than its factorization.

731446746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43510 (or 43457 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 731446746 is about 27045.2721561459. The cubic root of 731446746 is about 901.0057669758.

The spelling of 731446746 in words is "seven hundred thirty-one million, four hundred forty-six thousand, seven hundred forty-six".