538072704 has 384 divisors, whose sum is σ = 1841548800. Its totient is φ = 149299200.

The previous prime is 538072697. The next prime is 538072751. The reversal of 538072704 is 407270835.

538072704 is a `hidden beast` number, since 5 + 380 + 7 + 270 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

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, 8820834 + ... + 8820894.

It is an arithmetic number, because the mean of its divisors is an integer number (4795700).

Almost surely, 2^538072704 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 538072704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920774400).

538072704 is an abundant number, since it is smaller than the sum of its proper divisors (1303476096).

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

538072704 is a wasteful number, since it uses less digits than its factorization.

538072704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 129 counting only the distinct ones).

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

The square root of 538072704 is about 23196.3942025479. The cubic root of 538072704 is about 813.3553363811.

The spelling of 538072704 in words is "five hundred thirty-eight million, seventy-two thousand, seven hundred four".