2720678706 has 20 divisors (see below), whose sum is σ = 6096335982. Its totient is φ = 906892848.

The previous prime is 2720678641. The next prime is 2720678711. The reversal of 2720678706 is 6078760272.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1839123225 + 881555481 = 42885^2 + 29691^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8396995 + ... + 8397318.

Almost surely, 2^2720678706 is an apocalyptic number.

2720678706 is an abundant number, since it is smaller than the sum of its proper divisors (3375657276).

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

2720678706 is a wasteful number, since it uses less digits than its factorization.

2720678706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16794327 (or 16794318 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 2720678706 is about 52160.1256325174. The cubic root of 2720678706 is about 1396.0225038996.

The spelling of 2720678706 in words is "two billion, seven hundred twenty million, six hundred seventy-eight thousand, seven hundred six".