620760 has 64 divisors (see below), whose sum is σ = 2131200. Its totient is φ = 141696.

The previous prime is 620759. The next prime is 620771. The reversal of 620760 is 67026.

620760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (33300).

2⁶²⁰⁷⁶⁰ is an apocalyptic number.

620760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065600).

620760 is an abundant number, since it is smaller than the sum of its proper divisors (1510440).

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

620760 is a wasteful number, since it uses less digits than its factorization.

620760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 620760 is about 787.8832400807. The cubic root of 620760 is about 85.3050171891.

Adding to 620760 its reverse (67026), we get a palindrome (687786).

The spelling of 620760 in words is "six hundred twenty thousand, seven hundred sixty".