2780723002 has 16 divisors (see below), whose sum is σ = 4326061824. Its totient is φ = 1339128000.

The previous prime is 2780722999. The next prime is 2780723009. The reversal of 2780723002 is 2003270872.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2780723009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93199 + ... + 119362.

It is an arithmetic number, because the mean of its divisors is an integer number (270378864).

Almost surely, 2^2780723002 is an apocalyptic number.

2780723002 is a deficient number, since it is larger than the sum of its proper divisors (1545338822).

2780723002 is a wasteful number, since it uses less digits than its factorization.

2780723002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212805.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2780723002 is about 52732.5611173969. The cubic root of 2780723002 is about 1406.2177530133.

Adding to 2780723002 its reverse (2003270872), we get a palindrome (4783993874).

The spelling of 2780723002 in words is "two billion, seven hundred eighty million, seven hundred twenty-three thousand, two".