533660274 has 72 divisors (see below), whose sum is σ = 1354287168. Its totient is φ = 151426800.

The previous prime is 533660273. The next prime is 533660279. The reversal of 533660274 is 472066335.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (533660273) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 131179 + ... + 135185.

It is an arithmetic number, because the mean of its divisors is an integer number (18809544).

Almost surely, 2^533660274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533660274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677143584).

533660274 is an abundant number, since it is smaller than the sum of its proper divisors (820626894).

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

533660274 is a wasteful number, since it uses less digits than its factorization.

533660274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4170 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 533660274 is about 23101.0881561887. The cubic root of 533660274 is about 811.1259421584.

The spelling of 533660274 in words is "five hundred thirty-three million, six hundred sixty thousand, two hundred seventy-four".