620763 has 16 divisors (see below), whose sum is σ = 973056. Its totient is φ = 347040.

The previous prime is 620759. The next prime is 620771. The reversal of 620763 is 367026.

It is not a de Polignac number, because 620763 - 2² = 620759 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (620743) 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, 295 + ... + 1152.

It is an arithmetic number, because the mean of its divisors is an integer number (60816).

2⁶²⁰⁷⁶³ is an apocalyptic number.

620763 is a deficient number, since it is larger than the sum of its proper divisors (352293).

620763 is a wasteful number, since it uses less digits than its factorization.

620763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 620763 is about 787.8851439138. The cubic root of 620763 is about 85.3051546092.

Adding to 620763 its reverse (367026), we get a palindrome (987789).

The spelling of 620763 in words is "six hundred twenty thousand, seven hundred sixty-three".