68620329 has 24 divisors (see below), whose sum is σ = 104512512. Its totient is φ = 43320960.

The previous prime is 68620301. The next prime is 68620361. The reversal of 68620329 is 92302686.

68620329 is a `hidden beast` number, since 6 + 8 + 620 + 3 + 29 = 666.

It is not a de Polignac number, because 68620329 - 2⁵ = 68620297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68620293 and 68620302.

It is not an unprimeable number, because it can be changed into a prime (68620399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10497 + ... + 15729.

It is an arithmetic number, because the mean of its divisors is an integer number (4354688).

Almost surely, 2^68620329 is an apocalyptic number.

It is an amenable number.

68620329 is a deficient number, since it is larger than the sum of its proper divisors (35892183).

68620329 is a wasteful number, since it uses less digits than its factorization.

68620329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317 (or 5314 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 68620329 is about 8283.7388297797. The cubic root of 68620329 is about 409.4029163334.

The spelling of 68620329 in words is "sixty-eight million, six hundred twenty thousand, three hundred twenty-nine".