2737872 has 30 divisors (see below), whose sum is σ = 7662642. Its totient is φ = 912576.

The previous prime is 2737871. The next prime is 2737873. The reversal of 2737872 is 2787372.

It is an interprime number because it is at equal distance from previous prime (2737871) and next prime (2737873).

It can be written as a sum of positive squares in only one way, i.e., 1382976 + 1354896 = 1176^2 + 1164^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2737871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9363 + ... + 9650.

2^2737872 is an apocalyptic number.

It is an amenable number.

2737872 is an abundant number, since it is smaller than the sum of its proper divisors (4924770).

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

2737872 is a wasteful number, since it uses less digits than its factorization.

2737872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19027 (or 19018 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 2737872 is about 1654.6516249652. The cubic root of 2737872 is about 139.8957046356.

It can be divided in two parts, 27378 and 72, that multiplied together give a square (1971216 = 1404²).

The spelling of 2737872 in words is "two million, seven hundred thirty-seven thousand, eight hundred seventy-two".