2784372460 has 12 divisors (see below), whose sum is σ = 5847182208. Its totient is φ = 1113748976.

The previous prime is 2784372457. The next prime is 2784372467. The reversal of 2784372460 is 642734872.

It is not an unprimeable number, because it can be changed into a prime (2784372467) 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, 69609292 + ... + 69609331.

It is an arithmetic number, because the mean of its divisors is an integer number (487265184).

Almost surely, 2^2784372460 is an apocalyptic number.

2784372460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2784372460 is an abundant number, since it is smaller than the sum of its proper divisors (3062809748).

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

2784372460 is a wasteful number, since it uses less digits than its factorization.

2784372460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139218632 (or 139218630 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 2784372460 is about 52767.1532300161. The cubic root of 2784372460 is about 1406.8326637383.

The spelling of 2784372460 in words is "two billion, seven hundred eighty-four million, three hundred seventy-two thousand, four hundred sixty".