662578032 has 80 divisors (see below), whose sum is σ = 1815240960. Its totient is φ = 207668736.

The previous prime is 662578031. The next prime is 662578039. The reversal of 662578032 is 230875266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662578031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122293 + ... + 127595.

It is an arithmetic number, because the mean of its divisors is an integer number (22690512).

Almost surely, 2^662578032 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 662578032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907620480).

662578032 is an abundant number, since it is smaller than the sum of its proper divisors (1152662928).

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

662578032 is a wasteful number, since it uses less digits than its factorization.

662578032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470 (or 5464 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 662578032 is about 25740.5911354032. The cubic root of 662578032 is about 871.7909256631.

The spelling of 662578032 in words is "six hundred sixty-two million, five hundred seventy-eight thousand, thirty-two".