654712002 has 72 divisors (see below), whose sum is σ = 1675484928. Its totient is φ = 180992880.

The previous prime is 654712001. The next prime is 654712031. The reversal of 654712002 is 200217456.

654712002 is a `hidden beast` number, since 654 + 7 + 1 + 2 + 0 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654712001) 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, 118383 + ... + 123789.

It is an arithmetic number, because the mean of its divisors is an integer number (23270624).

Almost surely, 2^654712002 is an apocalyptic number.

654712002 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 654712002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837742464).

654712002 is an abundant number, since it is smaller than the sum of its proper divisors (1020772926).

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

654712002 is a wasteful number, since it uses less digits than its factorization.

654712002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484 (or 5450 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 654712002 is about 25587.3406590056. The cubic root of 654712002 is about 868.3272575527.

Adding to 654712002 its reverse (200217456), we get a palindrome (854929458).

The spelling of 654712002 in words is "six hundred fifty-four million, seven hundred twelve thousand, two".