2620772 has 48 divisors (see below), whose sum is σ = 5849088. Its totient is φ = 997920.

The previous prime is 2620741. The next prime is 2620811. The reversal of 2620772 is 2770262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20573 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (121856).

2^2620772 is an apocalyptic number.

2620772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2620772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2924544).

2620772 is an abundant number, since it is smaller than the sum of its proper divisors (3228316).

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

2620772 is a wasteful number, since it uses less digits than its factorization.

2620772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 2620772 is about 1618.8798596561. The cubic root of 2620772 is about 137.8721072337.

The spelling of 2620772 in words is "two million, six hundred twenty thousand, seven hundred seventy-two".