2072551706 has 8 divisors (see below), whose sum is σ = 3118635540. Its totient is φ = 1033006528.

The previous prime is 2072551667. The next prime is 2072551709. The reversal of 2072551706 is 6071552702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1897386481 + 175165225 = 43559^2 + 13235^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2072551709) 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, 1633871 + ... + 1635138.

Almost surely, 2^2072551706 is an apocalyptic number.

2072551706 is a deficient number, since it is larger than the sum of its proper divisors (1046083834).

2072551706 is a wasteful number, since it uses less digits than its factorization.

2072551706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269328.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 2072551706 is about 45525.2864461060. The cubic root of 2072551706 is about 1274.9753589496.

The spelling of 2072551706 in words is "two billion, seventy-two million, five hundred fifty-one thousand, seven hundred six".