368650721 has 16 divisors (see below), whose sum is σ = 389424000. Its totient is φ = 348520320.

The previous prime is 368650687. The next prime is 368650741. The reversal of 368650721 is 127056863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368650721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (368650741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738530 + ... + 739028.

It is an arithmetic number, because the mean of its divisors is an integer number (24339000).

Almost surely, 2^368650721 is an apocalyptic number.

It is an amenable number.

368650721 is a deficient number, since it is larger than the sum of its proper divisors (20773279).

368650721 is a wasteful number, since it uses less digits than its factorization.

368650721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 368650721 is about 19200.2791906785. The cubic root of 368650721 is about 717.0317103569.

The spelling of 368650721 in words is "three hundred sixty-eight million, six hundred fifty thousand, seven hundred twenty-one".