2137730 has 16 divisors (see below), whose sum is σ = 4397760. Its totient is φ = 732912.

The previous prime is 2137727. The next prime is 2137741. The reversal of 2137730 is 377312.

2137730 = T₁₄₇ + T₁₄₈ + ... + T₂₅₁.

It is a junction number, because it is equal to n+sod(n) for n = 2137696 and 2137705.

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, 15200 + ... + 15339.

It is an arithmetic number, because the mean of its divisors is an integer number (274860).

2^2137730 is an apocalyptic number.

2137730 is an abundant number, since it is smaller than the sum of its proper divisors (2260030).

2137730 is a wasteful number, since it uses less digits than its factorization.

2137730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30553.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 2137730 is about 1462.0978079458. The cubic root of 2137730 is about 128.8202934088.

The spelling of 2137730 in words is "two million, one hundred thirty-seven thousand, seven hundred thirty".