363681729 has 12 divisors (see below), whose sum is σ = 527260032. Its totient is φ = 241558200.

The previous prime is 363681701. The next prime is 363681743. The reversal of 363681729 is 927186363.

363681729 is a `hidden beast` number, since 3 + 636 + 8 + 1 + 7 + 2 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-363681729 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (363681749) 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, 72117 + ... + 76994.

It is an arithmetic number, because the mean of its divisors is an integer number (43938336).

Almost surely, 2^363681729 is an apocalyptic number.

It is an amenable number.

363681729 is a deficient number, since it is larger than the sum of its proper divisors (163578303).

363681729 is a wasteful number, since it uses less digits than its factorization.

363681729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149388 (or 149385 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 363681729 is about 19070.4412376851. The cubic root of 363681729 is about 713.7955361630.

The spelling of 363681729 in words is "three hundred sixty-three million, six hundred eighty-one thousand, seven hundred twenty-nine".