620752 has 20 divisors (see below), whose sum is σ = 1312416. Its totient is φ = 282080.

The previous prime is 620743. The next prime is 620759. The reversal of 620752 is 257026.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620759) by changing a digit.

620752 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 3 ways as a sum of consecutive naturals, for example, 1588 + ... + 1939.

2⁶²⁰⁷⁵² is an apocalyptic number.

It is an amenable number.

620752 is an abundant number, since it is smaller than the sum of its proper divisors (691664).

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

620752 is a wasteful number, since it uses less digits than its factorization.

620752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546 (or 3540 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 620752 is about 787.8781631699. The cubic root of 620752 is about 85.3046507334.

Adding to 620752 its reverse (257026), we get a palindrome (877778).

The spelling of 620752 in words is "six hundred twenty thousand, seven hundred fifty-two".