57673565720 has 16 divisors (see below), whose sum is σ = 129765522960. Its totient is φ = 23069426272.

The previous prime is 57673565711. The next prime is 57673565743. The reversal of 57673565720 is 2756537675.

57673565720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720919532 + ... + 720919611.

It is an arithmetic number, because the mean of its divisors is an integer number (8110345185).

Almost surely, 2^57673565720 is an apocalyptic number.

It is an amenable number.

57673565720 is an abundant number, since it is smaller than the sum of its proper divisors (72091957240).

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

57673565720 is a wasteful number, since it uses less digits than its factorization.

57673565720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441839154 (or 1441839150 counting only the distinct ones).

The product of its (nonzero) digits is 9261000, while the sum is 53.

The spelling of 57673565720 in words is "fifty-seven billion, six hundred seventy-three million, five hundred sixty-five thousand, seven hundred twenty".