648702 has 32 divisors (see below), whose sum is σ = 1481760. Its totient is φ = 210240.

The previous prime is 648689. The next prime is 648709. The reversal of 648702 is 207846.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648702.

It is not an unprimeable number, because it can be changed into a prime (648709) by changing a digit.

648702 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (46305).

2⁶⁴⁸⁷⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740880).

648702 is an abundant number, since it is smaller than the sum of its proper divisors (833058).

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

648702 is a wasteful number, since it uses less digits than its factorization.

648702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 648702 is about 805.4203871271. The cubic root of 648702 is about 86.5662116817.

The spelling of 648702 in words is "six hundred forty-eight thousand, seven hundred two".