538746720 has 48 divisors (see below), whose sum is σ = 1697053680. Its totient is φ = 143665664.

The previous prime is 538746713. The next prime is 538746721. The reversal of 538746720 is 27647835.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538746721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560715 + ... + 561674.

It is an arithmetic number, because the mean of its divisors is an integer number (35355285).

Almost surely, 2^538746720 is an apocalyptic number.

It is an amenable number.

538746720 is an abundant number, since it is smaller than the sum of its proper divisors (1158306960).

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

538746720 is a wasteful number, since it uses less digits than its factorization.

538746720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122407 (or 1122399 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 538746720 is about 23210.9181205742. The cubic root of 538746720 is about 813.6948108045.

The spelling of 538746720 in words is "five hundred thirty-eight million, seven hundred forty-six thousand, seven hundred twenty".