2072649 has 8 divisors (see below), whose sum is σ = 2770912. Its totient is φ = 1378080.

The previous prime is 2072647. The next prime is 2072663. The reversal of 2072649 is 9462702.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2072649 - 2¹ = 2072647 is a prime.

It is a Duffinian number.

It is a Curzon number.

2072649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2072647) 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, 909 + ... + 2229.

It is an arithmetic number, because the mean of its divisors is an integer number (346364).

2^2072649 is an apocalyptic number.

It is an amenable number.

2072649 is a deficient number, since it is larger than the sum of its proper divisors (698263).

2072649 is a wasteful number, since it uses less digits than its factorization.

2072649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2072649 is about 1439.6697537977. The cubic root of 2072649 is about 127.4995309479.

The spelling of 2072649 in words is "two million, seventy-two thousand, six hundred forty-nine".