662754560 has 72 divisors (see below), whose sum is σ = 1709662920. Its totient is φ = 244703232.

The previous prime is 662754551. The next prime is 662754581. The reversal of 662754560 is 65457266.

It can be written as a sum of positive squares in 4 ways, for example, as 97456384 + 565298176 = 9872^2 + 23776^2 .

It is a super-3 number, since 3×662754560³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275 + ... + 36554.

Almost surely, 2^662754560 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 662754560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854831460).

662754560 is an abundant number, since it is smaller than the sum of its proper divisors (1046908360).

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

662754560 is a wasteful number, since it uses less digits than its factorization.

662754560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39863 (or 39849 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 662754560 is about 25744.0198881216. The cubic root of 662754560 is about 871.8683413716.

The spelling of 662754560 in words is "six hundred sixty-two million, seven hundred fifty-four thousand, five hundred sixty".