2072970771 has 4 divisors (see below), whose sum is σ = 2763961032. Its totient is φ = 1381980512.

The previous prime is 2072970727. The next prime is 2072970793. The reversal of 2072970771 is 1770792702.

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

It is a cyclic number.

It is not a de Polignac number, because 2072970771 - 2⁷ = 2072970643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2072970071) 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, 345495126 + ... + 345495131.

It is an arithmetic number, because the mean of its divisors is an integer number (690990258).

Almost surely, 2^2072970771 is an apocalyptic number.

2072970771 is a deficient number, since it is larger than the sum of its proper divisors (690990261).

2072970771 is an equidigital number, since it uses as much as digits as its factorization.

2072970771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690990260.

The product of its (nonzero) digits is 86436, while the sum is 42.

The square root of 2072970771 is about 45529.8887655131. Note that the first 3 decimals coincide. The cubic root of 2072970771 is about 1275.0612854817.

The spelling of 2072970771 in words is "two billion, seventy-two million, nine hundred seventy thousand, seven hundred seventy-one".