68078430 has 48 divisors (see below), whose sum is σ = 202292064. Its totient is φ = 15560640.

The previous prime is 68078407. The next prime is 68078431. The reversal of 68078430 is 3487086.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68078431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53401 + ... + 54660.

It is an arithmetic number, because the mean of its divisors is an integer number (4214418).

Almost surely, 2^68078430 is an apocalyptic number.

68078430 is an abundant number, since it is smaller than the sum of its proper divisors (134213634).

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

68078430 is a wasteful number, since it uses less digits than its factorization.

68078430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108081 (or 108078 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 68078430 is about 8250.9653980610. The cubic root of 68078430 is about 408.3223735316.

The spelling of 68078430 in words is "sixty-eight million, seventy-eight thousand, four hundred thirty".