649752 has 16 divisors (see below), whose sum is σ = 1624440. Its totient is φ = 216576.

The previous prime is 649751. The next prime is 649769. The reversal of 649752 is 257946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13513 + ... + 13560.

2⁶⁴⁹⁷⁵² is an apocalyptic number.

It is an amenable number.

649752 is an abundant number, since it is smaller than the sum of its proper divisors (974688).

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

649752 is a wasteful number, since it uses less digits than its factorization.

649752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27082 (or 27078 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 649752 is about 806.0719570857. The cubic root of 649752 is about 86.6128923482.

The spelling of 649752 in words is "six hundred forty-nine thousand, seven hundred fifty-two".