620276064 has 24 divisors (see below), whose sum is σ = 1628224920. Its totient is φ = 206758656.

The previous prime is 620276039. The next prime is 620276087. The reversal of 620276064 is 460672026.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230509 + ... + 3230700.

It is an arithmetic number, because the mean of its divisors is an integer number (67842705).

Almost surely, 2^620276064 is an apocalyptic number.

It is an amenable number.

620276064 is an abundant number, since it is smaller than the sum of its proper divisors (1007948856).

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

620276064 is a wasteful number, since it uses less digits than its factorization.

620276064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461222 (or 6461214 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 620276064 is about 24905.3420775544. The cubic root of 620276064 is about 852.8284388481.

The spelling of 620276064 in words is "six hundred twenty million, two hundred seventy-six thousand, sixty-four".