2620272 has 40 divisors (see below), whose sum is σ = 6864640. Its totient is φ = 861120.

The previous prime is 2620259. The next prime is 2620273. The reversal of 2620272 is 2720262.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3447 + ... + 4137.

It is an arithmetic number, because the mean of its divisors is an integer number (171616).

2^2620272 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 2620272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3432320).

2620272 is an abundant number, since it is smaller than the sum of its proper divisors (4244368).

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

2620272 is a wasteful number, since it uses less digits than its factorization.

2620272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2620272 is about 1618.7254245239. The cubic root of 2620272 is about 137.8633387693.

The spelling of 2620272 in words is "two million, six hundred twenty thousand, two hundred seventy-two".