2137472 has 16 divisors (see below), whose sum is σ = 4258500. Its totient is φ = 1068672.

The previous prime is 2137451. The next prime is 2137483. The reversal of 2137472 is 2747312.

It is a tau number, because it is divible by the number of its divisors (16).

It is a d-powerful number, because it can be written as 2⁷ + 1 + 3⁸ + 7⁵ + 4² + 7⁵ + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8222 + ... + 8477.

2^2137472 is an apocalyptic number.

It is an amenable number.

2137472 is a deficient number, since it is larger than the sum of its proper divisors (2121028).

2137472 is an equidigital number, since it uses as much as digits as its factorization.

2137472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16713 (or 16701 counting only the distinct ones).

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

The square root of 2137472 is about 1462.0095758920. The cubic root of 2137472 is about 128.8151108128.

The spelling of 2137472 in words is "two million, one hundred thirty-seven thousand, four hundred seventy-two".