68146260 has 144 divisors (see below), whose sum is σ = 239170176. Its totient is φ = 14370048.

The previous prime is 68146229. The next prime is 68146261. The reversal of 68146260 is 6264186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68146261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37329 + ... + 39111.

It is an arithmetic number, because the mean of its divisors is an integer number (1660904).

Almost surely, 2^68146260 is an apocalyptic number.

68146260 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 68146260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119585088).

68146260 is an abundant number, since it is smaller than the sum of its proper divisors (171023916).

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

68146260 is a wasteful number, since it uses less digits than its factorization.

68146260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 68146260 is about 8255.0748028107. The cubic root of 68146260 is about 408.4579392960.

The spelling of 68146260 in words is "sixty-eight million, one hundred forty-six thousand, two hundred sixty".