2732780 has 24 divisors (see below), whose sum is σ = 5797008. Its totient is φ = 1082048.

The previous prime is 2732761. The next prime is 2732797. The reversal of 2732780 is 872372.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (241542).

2^2732780 is an apocalyptic number.

2732780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2732780 is an abundant number, since it is smaller than the sum of its proper divisors (3064228).

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

2732780 is a wasteful number, since it uses less digits than its factorization.

2732780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2732780 is about 1653.1122163967. The cubic root of 2732780 is about 139.8089230034.

The spelling of 2732780 in words is "two million, seven hundred thirty-two thousand, seven hundred eighty".