654579072 has 96 divisors (see below), whose sum is σ = 2152734480. Its totient is φ = 187020288.

The previous prime is 654579071. The next prime is 654579077. The reversal of 654579072 is 270975456.

654579072 is a `hidden beast` number, since 6 + 5 + 4 + 579 + 0 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654579071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32523 + ... + 48650.

Almost surely, 2^654579072 is an apocalyptic number.

It is an amenable number.

654579072 is an abundant number, since it is smaller than the sum of its proper divisors (1498155408).

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

654579072 is a wasteful number, since it uses less digits than its factorization.

654579072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81200 (or 81185 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 654579072 is about 25584.7429535651. The cubic root of 654579072 is about 868.2684863908.

It can be divided in two parts, 65457 and 9072, that added together give a square (74529 = 273²).

The spelling of 654579072 in words is "six hundred fifty-four million, five hundred seventy-nine thousand, seventy-two".