369366721 has 2 divisors, whose sum is σ = 369366722. Its totient is φ = 369366720.

The previous prime is 369366713. The next prime is 369366731. The reversal of 369366721 is 127663963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261954225 + 107412496 = 16185^2 + 10364^2 .

It is a cyclic number.

It is not a de Polignac number, because 369366721 - 2³ = 369366713 is a prime.

It is not a weakly prime, because it can be changed into another prime (369366731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184683360 + 184683361.

It is an arithmetic number, because the mean of its divisors is an integer number (184683361).

Almost surely, 2^369366721 is an apocalyptic number.

It is an amenable number.

369366721 is a deficient number, since it is larger than the sum of its proper divisors (1).

369366721 is an equidigital number, since it uses as much as digits as its factorization.

369366721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 369366721 is about 19218.9157082287. The cubic root of 369366721 is about 717.4956207367.

The spelling of 369366721 in words is "three hundred sixty-nine million, three hundred sixty-six thousand, seven hundred twenty-one".