68747329 has 4 divisors (see below), whose sum is σ = 78568384. Its totient is φ = 58926276.

The previous prime is 68747321. The next prime is 68747333. The reversal of 68747329 is 92374786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68747329 - 2³ = 68747321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68747321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4910517 + ... + 4910530.

It is an arithmetic number, because the mean of its divisors is an integer number (19642096).

Almost surely, 2^68747329 is an apocalyptic number.

It is an amenable number.

68747329 is a deficient number, since it is larger than the sum of its proper divisors (9821055).

68747329 is an equidigital number, since it uses as much as digits as its factorization.

68747329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9821054.

The product of its digits is 508032, while the sum is 46.

The square root of 68747329 is about 8291.4009069638. The cubic root of 68747329 is about 409.6553300023.

The spelling of 68747329 in words is "sixty-eight million, seven hundred forty-seven thousand, three hundred twenty-nine".