662747456 has 112 divisors (see below), whose sum is σ = 1543702272. Its totient is φ = 276480000.

The previous prime is 662747453. The next prime is 662747467. The reversal of 662747456 is 654747266.

662747456 = T₃₆₄₈ + T₃₆₄₉ + ... + T₃₇₄₄.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 662747456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662747453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4388981 + ... + 4389131.

It is an arithmetic number, because the mean of its divisors is an integer number (13783056).

Almost surely, 2^662747456 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 662747456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771851136).

662747456 is an abundant number, since it is smaller than the sum of its proper divisors (880954816).

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

662747456 is a wasteful number, since it uses less digits than its factorization.

662747456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 358 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The square root of 662747456 is about 25743.8819139616. The cubic root of 662747456 is about 871.8652262039.

The spelling of 662747456 in words is "six hundred sixty-two million, seven hundred forty-seven thousand, four hundred fifty-six".