2765189730 has 32 divisors (see below), whose sum is σ = 6865300800. Its totient is φ = 711956672.

The previous prime is 2765189729. The next prime is 2765189731. The reversal of 2765189730 is 379815672.

It is an interprime number because it is at equal distance from previous prime (2765189729) and next prime (2765189731).

It is a self number, because there is not a number n which added to its sum of digits gives 2765189730.

It is not an unprimeable number, because it can be changed into a prime (2765189731) 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, 1588320 + ... + 1590059.

It is an arithmetic number, because the mean of its divisors is an integer number (214540650).

Almost surely, 2^2765189730 is an apocalyptic number.

2765189730 is an abundant number, since it is smaller than the sum of its proper divisors (4100111070).

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

2765189730 is a wasteful number, since it uses less digits than its factorization.

2765189730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178418.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 2765189730 is about 52585.0713606058. The cubic root of 2765189730 is about 1403.5944590118.

The spelling of 2765189730 in words is "two billion, seven hundred sixty-five million, one hundred eighty-nine thousand, seven hundred thirty".