2738720 has 24 divisors (see below), whose sum is σ = 6470604. Its totient is φ = 1095424.

The previous prime is 2738719. The next prime is 2738753. The reversal of 2738720 is 278372.

It can be written as a sum of positive squares in 2 ways, for example, as 2226064 + 512656 = 1492^2 + 716^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8399 + ... + 8718.

2^2738720 is an apocalyptic number.

2738720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2738720 is an abundant number, since it is smaller than the sum of its proper divisors (3731884).

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

2738720 is a wasteful number, since it uses less digits than its factorization.

2738720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17132 (or 17124 counting only the distinct ones).

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

The square root of 2738720 is about 1654.9078524196. The cubic root of 2738720 is about 139.9101464249.

The spelling of 2738720 in words is "two million, seven hundred thirty-eight thousand, seven hundred twenty".