364331721 has 12 divisors (see below), whose sum is σ = 526018128. Its totient is φ = 224203824.

The previous prime is 364331701. The next prime is 364331731. The reversal of 364331721 is 127133463.

It is not a de Polignac number, because 364331721 - 2¹¹ = 364329673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (364331701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358795 + ... + 359808.

It is an arithmetic number, because the mean of its divisors is an integer number (43834844).

Almost surely, 2^364331721 is an apocalyptic number.

It is an amenable number.

364331721 is a deficient number, since it is larger than the sum of its proper divisors (161686407).

364331721 is a wasteful number, since it uses less digits than its factorization.

364331721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718632 (or 718619 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 364331721 is about 19087.4755009666. The cubic root of 364331721 is about 714.2205279617.

The spelling of 364331721 in words is "three hundred sixty-four million, three hundred thirty-one thousand, seven hundred twenty-one".