68442829 has 16 divisors (see below), whose sum is σ = 85399552. Its totient is φ = 53405568.

The previous prime is 68442827. The next prime is 68442839. The reversal of 68442829 is 92824486.

It is a cyclic number.

It is not a de Polignac number, because 68442829 - 2¹ = 68442827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68442821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492 + ... + 11794.

It is an arithmetic number, because the mean of its divisors is an integer number (5337472).

Almost surely, 2^68442829 is an apocalyptic number.

It is an amenable number.

68442829 is a deficient number, since it is larger than the sum of its proper divisors (16956723).

68442829 is a wasteful number, since it uses less digits than its factorization.

68442829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10396.

The product of its digits is 221184, while the sum is 43.

The square root of 68442829 is about 8273.0181312505. The cubic root of 68442829 is about 409.0496110933.

The spelling of 68442829 in words is "sixty-eight million, four hundred forty-two thousand, eight hundred twenty-nine".