2772070738 has 4 divisors (see below), whose sum is σ = 4158106110. Its totient is φ = 1386035368.

The previous prime is 2772070729. The next prime is 2772070739. The reversal of 2772070738 is 8370702772.

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

It can be written as a sum of positive squares in only one way, i.e., 2659774329 + 112296409 = 51573^2 + 10597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2772070694 and 2772070703.

It is not an unprimeable number, because it can be changed into a prime (2772070739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693017683 + ... + 693017686.

Almost surely, 2^2772070738 is an apocalyptic number.

2772070738 is a deficient number, since it is larger than the sum of its proper divisors (1386035372).

2772070738 is a wasteful number, since it uses less digits than its factorization.

2772070738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386035371.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 2772070738 is about 52650.4580986718. The cubic root of 2772070738 is about 1404.7577480280.

The spelling of 2772070738 in words is "two billion, seven hundred seventy-two million, seventy thousand, seven hundred thirty-eight".