654613272 has 64 divisors (see below), whose sum is σ = 1831536000. Its totient is φ = 216624672.

The previous prime is 654613247. The next prime is 654613277. The reversal of 654613272 is 272316456.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654613277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19123 + ... + 40925.

It is an arithmetic number, because the mean of its divisors is an integer number (28617750).

Almost surely, 2^654613272 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 654613272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915768000).

654613272 is an abundant number, since it is smaller than the sum of its proper divisors (1176922728).

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

654613272 is a wasteful number, since it uses less digits than its factorization.

654613272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21957 (or 21947 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 654613272 is about 25585.4113119176. The cubic root of 654613272 is about 868.2836076936.

The spelling of 654613272 in words is "six hundred fifty-four million, six hundred thirteen thousand, two hundred seventy-two".