68769429 has 4 divisors (see below), whose sum is σ = 91692576. Its totient is φ = 45846284.

The previous prime is 68769391. The next prime is 68769443. The reversal of 68769429 is 92496786.

It is a happy number.

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 68769429 - 2¹⁷ = 68638357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68769229) 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, 11461569 + ... + 11461574.

It is an arithmetic number, because the mean of its divisors is an integer number (22923144).

Almost surely, 2^68769429 is an apocalyptic number.

It is an amenable number.

68769429 is a deficient number, since it is larger than the sum of its proper divisors (22923147).

68769429 is a wasteful number, since it uses less digits than its factorization.

68769429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22923146.

The product of its digits is 1306368, while the sum is 51.

The square root of 68769429 is about 8292.7335059074. The cubic root of 68769429 is about 409.6992221940.

The spelling of 68769429 in words is "sixty-eight million, seven hundred sixty-nine thousand, four hundred twenty-nine".