731998464212 has 48 divisors (see below), whose sum is σ = 1325361683520. Its totient is φ = 353475747072.

The previous prime is 731998464191. The next prime is 731998464227. The reversal of 731998464212 is 212464899137.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 19497563 + ... + 19535069.

It is an arithmetic number, because the mean of its divisors is an integer number (27611701740).

Almost surely, 2^731998464212 is an apocalyptic number.

It is an amenable number.

731998464212 is a deficient number, since it is larger than the sum of its proper divisors (593363219308).

731998464212 is a wasteful number, since it uses less digits than its factorization.

731998464212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38520 (or 38518 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The spelling of 731998464212 in words is "seven hundred thirty-one billion, nine hundred ninety-eight million, four hundred sixty-four thousand, two hundred twelve".