68314428 has 180 divisors, whose sum is σ = 224400792. Its totient is φ = 17962560.

The previous prime is 68314427. The next prime is 68314429. The reversal of 68314428 is 82441386.

It is an interprime number because it is at equal distance from previous prime (68314427) and next prime (68314429).

It is a super-2 number, since 2×68314428² = 9333722145934368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68314392 and 68314401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68314423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 206223 + ... + 206553.

Almost surely, 2^68314428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68314428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112200396).

68314428 is an abundant number, since it is smaller than the sum of its proper divisors (156086364).

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

68314428 is a wasteful number, since it uses less digits than its factorization.

68314428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 356 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 68314428 is about 8265.2542610618. The cubic root of 68314428 is about 408.7936541205.

The spelling of 68314428 in words is "sixty-eight million, three hundred fourteen thousand, four hundred twenty-eight".