68428395 has 40 divisors (see below), whose sum is σ = 140193504. Its totient is φ = 31280256.

The previous prime is 68428391. The next prime is 68428403. The reversal of 68428395 is 59382486.

It is not a de Polignac number, because 68428395 - 2² = 68428391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 68428395.

It is not an unprimeable number, because it can be changed into a prime (68428391) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9234 + ... + 14903.

Almost surely, 2^68428395 is an apocalyptic number.

68428395 is an abundant number, since it is smaller than the sum of its proper divisors (71765109).

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

68428395 is a wasteful number, since it uses less digits than its factorization.

68428395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24161 (or 24152 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 68428395 is about 8272.1457313082. The cubic root of 68428395 is about 409.0208540647.

The spelling of 68428395 in words is "sixty-eight million, four hundred twenty-eight thousand, three hundred ninety-five".