620273711 has 4 divisors (see below), whose sum is σ = 633471072. Its totient is φ = 607076352.

The previous prime is 620273659. The next prime is 620273737. The reversal of 620273711 is 117372026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620273711 - 2²⁶ = 553164847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620273741) 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, 6598610 + ... + 6598703.

It is an arithmetic number, because the mean of its divisors is an integer number (158367768).

Almost surely, 2^620273711 is an apocalyptic number.

620273711 is a deficient number, since it is larger than the sum of its proper divisors (13197361).

620273711 is a wasteful number, since it uses less digits than its factorization.

620273711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13197360.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 620273711 is about 24905.2948386483. The cubic root of 620273711 is about 852.8273604531.

The spelling of 620273711 in words is "six hundred twenty million, two hundred seventy-three thousand, seven hundred eleven".