2047730 has 16 divisors (see below), whose sum is σ = 3708504. Its totient is φ = 814080.

The previous prime is 2047729. The next prime is 2047733. The reversal of 2047730 is 377402.

It can be written as a sum of positive squares in 4 ways, for example, as 1545049 + 502681 = 1243^2 + 709^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2047696 and 2047705.

It is not an unprimeable number, because it can be changed into a prime (2047733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400 + ... + 2460.

2^2047730 is an apocalyptic number.

2047730 is a deficient number, since it is larger than the sum of its proper divisors (1660774).

2047730 is a wasteful number, since it uses less digits than its factorization.

2047730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 2047730 is about 1430.9891683727. The cubic root of 2047730 is about 126.9865032054.

The spelling of 2047730 in words is "two million, forty-seven thousand, seven hundred thirty".