2073729 has 12 divisors (see below), whose sum is σ = 3216624. Its totient is φ = 1184904.

The previous prime is 2073719. The next prime is 2073787. The reversal of 2073729 is 9273702.

It is not a de Polignac number, because 2073729 - 2⁷ = 2073601 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

2073729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2073696 and 2073705.

It is not an unprimeable number, because it can be changed into a prime (2073719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6907 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (268052).

2^2073729 is an apocalyptic number.

It is an amenable number.

2073729 is a deficient number, since it is larger than the sum of its proper divisors (1142895).

2073729 is a wasteful number, since it uses less digits than its factorization.

2073729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14124 (or 14117 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 2073729 is about 1440.0447909701. The cubic root of 2073729 is about 127.5216725942.

It can be divided in two parts, 207 and 3729, that multiplied together give a triangular number (771903 = T₁₂₄₂).

The spelling of 2073729 in words is "two million, seventy-three thousand, seven hundred twenty-nine".