2774480 has 40 divisors (see below), whose sum is σ = 6547200. Its totient is φ = 1093248.

The previous prime is 2774479. The next prime is 2774483. The reversal of 2774480 is 844772.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774483) 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, 6101 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (163680).

2^2774480 is an apocalyptic number.

2774480 is a gapful number since it is divisible by the number (20) 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 2774480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3273600).

2774480 is an abundant number, since it is smaller than the sum of its proper divisors (3772720).

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

2774480 is a wasteful number, since it uses less digits than its factorization.

2774480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 2774480 is about 1665.6770395248. The cubic root of 2774480 is about 140.5164597848.

The spelling of 2774480 in words is "two million, seven hundred seventy-four thousand, four hundred eighty".