68423960 has 32 divisors (see below), whose sum is σ = 167950800. Its totient is φ = 24881280.

The previous prime is 68423941. The next prime is 68423981. The reversal of 68423960 is 6932486.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77315 + ... + 78194.

Almost surely, 2^68423960 is an apocalyptic number.

It is an amenable number.

68423960 is an abundant number, since it is smaller than the sum of its proper divisors (99526840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68423960 is a wasteful number, since it uses less digits than its factorization.

68423960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155531 (or 155527 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 68423960 is about 8271.8776586698. The cubic root of 68423960 is about 409.0120173496.

The spelling of 68423960 in words is "sixty-eight million, four hundred twenty-three thousand, nine hundred sixty".