654333732 has 72 divisors (see below), whose sum is σ = 1797150264. Its totient is φ = 199535616.

The previous prime is 654333703. The next prime is 654333733. The reversal of 654333732 is 237333456.

It can be written as a sum of positive squares in 4 ways, for example, as 9884736 + 644448996 = 3144^2 + 25386^2 .

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

It is not an unprimeable number, because it can be changed into a prime (654333733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46698 + ... + 59070.

Almost surely, 2^654333732 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 654333732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898575132).

654333732 is an abundant number, since it is smaller than the sum of its proper divisors (1142816532).

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

654333732 is a wasteful number, since it uses less digits than its factorization.

654333732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12509 (or 12504 counting only the distinct ones).

The product of its digits is 136080, while the sum is 36.

The square root of 654333732 is about 25579.9478498296. The cubic root of 654333732 is about 868.1599954949.

The spelling of 654333732 in words is "six hundred fifty-four million, three hundred thirty-three thousand, seven hundred thirty-two".