2061730 has 16 divisors (see below), whose sum is σ = 4048704. Its totient is φ = 749680.

The previous prime is 2061691. The next prime is 2061733. The reversal of 2061730 is 371602.

It is a junction number, because it is equal to n+sod(n) for n = 2061698 and 2061707.

It is not an unprimeable number, because it can be changed into a prime (2061733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9262 + ... + 9481.

It is an arithmetic number, because the mean of its divisors is an integer number (253044).

2^2061730 is an apocalyptic number.

2061730 is a deficient number, since it is larger than the sum of its proper divisors (1986974).

2061730 is a wasteful number, since it uses less digits than its factorization.

2061730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18761.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 2061730 is about 1435.8725570189. The cubic root of 2061730 is about 127.2752416015.

It can be divided in two parts, 206 and 1730, that added together give a square (1936 = 44²).

The spelling of 2061730 in words is "two million, sixty-one thousand, seven hundred thirty".