654791272 has 16 divisors (see below), whose sum is σ = 1256286240. Its totient is φ = 319781616.

The previous prime is 654791251. The next prime is 654791287. The reversal of 654791272 is 272197456.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951388 + ... + 952075.

It is an arithmetic number, because the mean of its divisors is an integer number (78517890).

Almost surely, 2^654791272 is an apocalyptic number.

It is an amenable number.

654791272 is a deficient number, since it is larger than the sum of its proper divisors (601494968).

654791272 is a wasteful number, since it uses less digits than its factorization.

654791272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903512 (or 1903508 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 654791272 is about 25588.8896203020. The cubic root of 654791272 is about 868.3623007084.

The spelling of 654791272 in words is "six hundred fifty-four million, seven hundred ninety-one thousand, two hundred seventy-two".