368741721 has 16 divisors (see below), whose sum is σ = 518830400. Its totient is φ = 232305408.

The previous prime is 368741719. The next prime is 368741731. The reversal of 368741721 is 127147863.

It is not a de Polignac number, because 368741721 - 2¹ = 368741719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 368741721.

It is not an unprimeable number, because it can be changed into a prime (368741731) 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, 15405 + ... + 31221.

It is an arithmetic number, because the mean of its divisors is an integer number (32426900).

Almost surely, 2^368741721 is an apocalyptic number.

It is an amenable number.

368741721 is a deficient number, since it is larger than the sum of its proper divisors (150088679).

368741721 is a wasteful number, since it uses less digits than its factorization.

368741721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16248.

The product of its digits is 56448, while the sum is 39.

The square root of 368741721 is about 19202.6488016628. The cubic root of 368741721 is about 717.0907043348.

The spelling of 368741721 in words is "three hundred sixty-eight million, seven hundred forty-one thousand, seven hundred twenty-one".