57068780 has 48 divisors (see below), whose sum is σ = 127008000. Its totient is φ = 21479616.

The previous prime is 57068719. The next prime is 57068797. The reversal of 57068780 is 8786075.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67601 + ... + 68439.

It is an arithmetic number, because the mean of its divisors is an integer number (2646000).

Almost surely, 2^57068780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57068780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63504000).

57068780 is an abundant number, since it is smaller than the sum of its proper divisors (69939220).

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

57068780 is a wasteful number, since it uses less digits than its factorization.

57068780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 57068780 is about 7554.3881287633. The cubic root of 57068780 is about 385.0048461750.

The spelling of 57068780 in words is "fifty-seven million, sixty-eight thousand, seven hundred eighty".