68214510 has 96 divisors (see below), whose sum is σ = 218312640. Its totient is φ = 14390784.

The previous prime is 68214473. The next prime is 68214581. The reversal of 68214510 is 1541286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4026 + ... + 12354.

It is an arithmetic number, because the mean of its divisors is an integer number (2274090).

Almost surely, 2^68214510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68214510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109156320).

68214510 is an abundant number, since it is smaller than the sum of its proper divisors (150098130).

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

68214510 is a wasteful number, since it uses less digits than its factorization.

68214510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362 (or 8359 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 68214510 is about 8259.2075891093. The cubic root of 68214510 is about 408.5942537123.

Adding to 68214510 its reverse (1541286), we get a palindrome (69755796).

The spelling of 68214510 in words is "sixty-eight million, two hundred fourteen thousand, five hundred ten".