68514420 has 96 divisors (see below), whose sum is σ = 218792448. Its totient is φ = 15869952.

The previous prime is 68514419. The next prime is 68514427. The reversal of 68514420 is 2441586.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68514427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10677 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (2279088).

Almost surely, 2^68514420 is an apocalyptic number.

68514420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68514420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109396224).

68514420 is an abundant number, since it is smaller than the sum of its proper divisors (150278028).

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

68514420 is a wasteful number, since it uses less digits than its factorization.

68514420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209 (or 5207 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 68514420 is about 8277.3437768405. The cubic root of 68514420 is about 409.1921829627.

The spelling of 68514420 in words is "sixty-eight million, five hundred fourteen thousand, four hundred twenty".