365316721 has 8 divisors (see below), whose sum is σ = 455459904. Its totient is φ = 284662320.

The previous prime is 365316713. The next prime is 365316733. The reversal of 365316721 is 127613563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 365316721 - 2³ = 365316713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365316761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2372110 + ... + 2372263.

It is an arithmetic number, because the mean of its divisors is an integer number (56932488).

Almost surely, 2^365316721 is an apocalyptic number.

It is an amenable number.

365316721 is a deficient number, since it is larger than the sum of its proper divisors (90143183).

365316721 is a wasteful number, since it uses less digits than its factorization.

365316721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744391.

The product of its digits is 22680, while the sum is 34.

The square root of 365316721 is about 19113.2603445880. The cubic root of 365316721 is about 714.8635995857.

The spelling of 365316721 in words is "three hundred sixty-five million, three hundred sixteen thousand, seven hundred twenty-one".