68579460 has 144 divisors (see below), whose sum is σ = 219413376. Its totient is φ = 17978112.

The previous prime is 68579419. The next prime is 68579473. The reversal of 68579460 is 6497586.

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

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, 500512 + ... + 500648.

It is an arithmetic number, because the mean of its divisors is an integer number (1523704).

Almost surely, 2^68579460 is an apocalyptic number.

68579460 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 68579460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109706688).

68579460 is an abundant number, since it is smaller than the sum of its proper divisors (150833916).

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

68579460 is a wasteful number, since it uses less digits than its factorization.

68579460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 68579460 is about 8281.2716414812. The cubic root of 68579460 is about 409.3216225882.

The spelling of 68579460 in words is "sixty-eight million, five hundred seventy-nine thousand, four hundred sixty".