654879072 has 48 divisors (see below), whose sum is σ = 1722999600. Its totient is φ = 217792512.

The previous prime is 654879067. The next prime is 654879109. The reversal of 654879072 is 270978456.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35508 + ... + 50700.

It is an arithmetic number, because the mean of its divisors is an integer number (35895825).

Almost surely, 2^654879072 is an apocalyptic number.

It is an amenable number.

654879072 is an abundant number, since it is smaller than the sum of its proper divisors (1068120528).

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

654879072 is a wasteful number, since it uses less digits than its factorization.

654879072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15655 (or 15647 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 654879072 is about 25590.6051511097. The cubic root of 654879072 is about 868.4011114489.

The spelling of 654879072 in words is "six hundred fifty-four million, eight hundred seventy-nine thousand, seventy-two".