68929923 has 8 divisors (see below), whose sum is σ = 93014208. Its totient is φ = 45399464.

The previous prime is 68929921. The next prime is 68929963. The reversal of 68929923 is 32992986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68929923 - 2¹ = 68929921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68929921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138165 + ... + 138662.

It is an arithmetic number, because the mean of its divisors is an integer number (11626776).

Almost surely, 2^68929923 is an apocalyptic number.

68929923 is a deficient number, since it is larger than the sum of its proper divisors (24084285).

68929923 is a wasteful number, since it uses less digits than its factorization.

68929923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276913.

The product of its digits is 419904, while the sum is 48.

The square root of 68929923 is about 8302.4046516657. The cubic root of 68929923 is about 410.0176930695.

The spelling of 68929923 in words is "sixty-eight million, nine hundred twenty-nine thousand, nine hundred twenty-three".