2972236765 has 4 divisors (see below), whose sum is σ = 3566684124. Its totient is φ = 2377789408.

The previous prime is 2972236763. The next prime is 2972236789. The reversal of 2972236765 is 5676322792.

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 932630521 + 2039606244 = 30539^2 + 45162^2 .

It is a cyclic number.

It is not a de Polignac number, because 2972236765 - 2¹ = 2972236763 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972236763) 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, 297223672 + ... + 297223681.

It is an arithmetic number, because the mean of its divisors is an integer number (891671031).

Almost surely, 2^2972236765 is an apocalyptic number.

It is an amenable number.

2972236765 is a deficient number, since it is larger than the sum of its proper divisors (594447359).

2972236765 is an equidigital number, since it uses as much as digits as its factorization.

2972236765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594447358.

The product of its digits is 1905120, while the sum is 49.

The square root of 2972236765 is about 54518.2241548640. The cubic root of 2972236765 is about 1437.7867177551.

The spelling of 2972236765 in words is "two billion, nine hundred seventy-two million, two hundred thirty-six thousand, seven hundred sixty-five".