2072738 has 4 divisors (see below), whose sum is σ = 3109110. Its totient is φ = 1036368.

The previous prime is 2072731. The next prime is 2072743. The reversal of 2072738 is 8372702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 104329 = 1403^2 + 323^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2072738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518183 + ... + 518186.

2^2072738 is an apocalyptic number.

2072738 is a deficient number, since it is larger than the sum of its proper divisors (1036372).

2072738 is a wasteful number, since it uses less digits than its factorization.

2072738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036371.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2072738 is about 1439.7006633325. The cubic root of 2072738 is about 127.5013558743.

The spelling of 2072738 in words is "two million, seventy-two thousand, seven hundred thirty-eight".