2620704672 has 192 divisors, whose sum is σ = 7964933760. Its totient is φ = 837568512.

The previous prime is 2620704659. The next prime is 2620704673. The reversal of 2620704672 is 2764070262.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2620704673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2333103 + ... + 2334225.

It is an arithmetic number, because the mean of its divisors is an integer number (41484030).

Almost surely, 2^2620704672 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 2620704672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3982466880).

2620704672 is an abundant number, since it is smaller than the sum of its proper divisors (5344229088).

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

2620704672 is a wasteful number, since it uses less digits than its factorization.

2620704672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 2620704672 is about 51192.8185588565. The cubic root of 2620704672 is about 1378.7092657234.

The spelling of 2620704672 in words is "two billion, six hundred twenty million, seven hundred four thousand, six hundred seventy-two".