538074720 has 144 divisors (see below), whose sum is σ = 1885993200. Its totient is φ = 139594752.

The previous prime is 538074689. The next prime is 538074727. The reversal of 538074720 is 27470835.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538074727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48231 + ... + 58329.

It is an arithmetic number, because the mean of its divisors is an integer number (13097175).

Almost surely, 2^538074720 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 538074720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942996600).

538074720 is an abundant number, since it is smaller than the sum of its proper divisors (1347918480).

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

538074720 is a wasteful number, since it uses less digits than its factorization.

538074720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157 (or 10146 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 538074720 is about 23196.4376575370. The cubic root of 538074720 is about 813.3563521808.

The spelling of 538074720 in words is "five hundred thirty-eight million, seventy-four thousand, seven hundred twenty".