534771720 has 640 divisors, whose sum is σ = 2320876800. Its totient is φ = 107495424.

The previous prime is 534771707. The next prime is 534771751. The reversal of 534771720 is 27177435.

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 159 ways as a sum of consecutive naturals, for example, 7325604 + ... + 7325676.

It is an arithmetic number, because the mean of its divisors is an integer number (3626370).

Almost surely, 2^534771720 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 534771720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160438400).

534771720 is an abundant number, since it is smaller than the sum of its proper divisors (1786105080).

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

534771720 is a wasteful number, since it uses less digits than its factorization.

534771720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 534771720 is about 23125.1317834083. The cubic root of 534771720 is about 811.6886581712.

The spelling of 534771720 in words is "five hundred thirty-four million, seven hundred seventy-one thousand, seven hundred twenty".