2770720330 has 32 divisors (see below), whose sum is σ = 5780056320. Its totient is φ = 936579840.

The previous prime is 2770720313. The next prime is 2770720331. The reversal of 2770720330 is 330270772.

It is a super-2 number, since 2×2770720330² = 15353782294150617800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2770720292 and 2770720301.

It is not an unprimeable number, because it can be changed into a prime (2770720331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273775 + ... + 283714.

It is an arithmetic number, because the mean of its divisors is an integer number (180626760).

Almost surely, 2^2770720330 is an apocalyptic number.

2770720330 is an abundant number, since it is smaller than the sum of its proper divisors (3009335990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2770720330 is a wasteful number, since it uses less digits than its factorization.

2770720330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557574.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 2770720330 is about 52637.6322605795. The cubic root of 2770720330 is about 1404.5296027889.

The spelling of 2770720330 in words is "two billion, seven hundred seventy million, seven hundred twenty thousand, three hundred thirty".