620060064 has 96 divisors (see below), whose sum is σ = 1760330880. Its totient is φ = 189975552.

The previous prime is 620060033. The next prime is 620060069. The reversal of 620060064 is 460060026.

620060064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (620060069) 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, 334789 + ... + 336635.

It is an arithmetic number, because the mean of its divisors is an integer number (18336780).

Almost surely, 2^620060064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620060064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880165440).

620060064 is an abundant number, since it is smaller than the sum of its proper divisors (1140270816).

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

620060064 is a wasteful number, since it uses less digits than its factorization.

620060064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 620060064 is about 24901.0052809119. The cubic root of 620060064 is about 852.7294332921.

The spelling of 620060064 in words is "six hundred twenty million, sixty thousand, sixty-four".