2072657 has 4 divisors (see below), whose sum is σ = 2194596. Its totient is φ = 1950720.

The previous prime is 2072647. The next prime is 2072663. The reversal of 2072657 is 7562702.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 512656 = 1249^2 + 716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2072657 is a prime.

It is a super-3 number, since 3×2072657³ = 26711825391233332179, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2² + 0 + 7 + 2² + 6⁸ + 5⁸ + 7⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2072617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60944 + ... + 60977.

It is an arithmetic number, because the mean of its divisors is an integer number (548649).

2^2072657 is an apocalyptic number.

It is an amenable number.

2072657 is a deficient number, since it is larger than the sum of its proper divisors (121939).

2072657 is a wasteful number, since it uses less digits than its factorization.

2072657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121938.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 2072657 is about 1439.6725322100. The cubic root of 2072657 is about 127.4996949884.

The spelling of 2072657 in words is "two million, seventy-two thousand, six hundred fifty-seven".