620077 has 4 divisors (see below), whose sum is σ = 622080. Its totient is φ = 618076.

The previous prime is 620051. The next prime is 620099. The reversal of 620077 is 770026.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 770026 = 2 ⋅385013.

It is a cyclic number.

It is not a de Polignac number, because 620077 - 2¹¹ = 618029 is a prime.

It is a Duffinian number.

620077 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427 + ... + 1192.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

2⁶²⁰⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

620077 is a deficient number, since it is larger than the sum of its proper divisors (2003).

620077 is a wasteful number, since it uses less digits than its factorization.

620077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 620077 is about 787.4496809321. The cubic root of 620077 is about 85.2737196892.

The spelling of 620077 in words is "six hundred twenty thousand, seventy-seven".