68578029 has 32 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 41294016.

The previous prime is 68578021. The next prime is 68578031. The reversal of 68578029 is 92087586.

It is not a de Polignac number, because 68578029 - 2³ = 68578021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68578021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14419 + ... + 18575.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^68578029 is an apocalyptic number.

It is an amenable number.

68578029 is a deficient number, since it is larger than the sum of its proper divisors (43189011).

68578029 is a wasteful number, since it uses less digits than its factorization.

68578029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 68578029 is about 8281.1852412562. The cubic root of 68578029 is about 409.3187755583.

The spelling of 68578029 in words is "sixty-eight million, five hundred seventy-eight thousand, twenty-nine".