620283782 has 4 divisors (see below), whose sum is σ = 930425676. Its totient is φ = 310141890.

The previous prime is 620283779. The next prime is 620283787. The reversal of 620283782 is 287382026.

620283782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620283787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155070944 + ... + 155070947.

It is an arithmetic number, because the mean of its divisors is an integer number (232606419).

Almost surely, 2^620283782 is an apocalyptic number.

620283782 is a deficient number, since it is larger than the sum of its proper divisors (310141894).

620283782 is a wasteful number, since it uses less digits than its factorization.

620283782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310141893.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 620283782 is about 24905.4970237496. The cubic root of 620283782 is about 852.8319760379.

The spelling of 620283782 in words is "six hundred twenty million, two hundred eighty-three thousand, seven hundred eighty-two".