2720786697 has 12 divisors (see below), whose sum is σ = 3938101440. Its totient is φ = 1810130328.

The previous prime is 2720786657. The next prime is 2720786737. The reversal of 2720786697 is 7966870272.

It is an interprime number because it is at equal distance from previous prime (2720786657) and next prime (2720786737).

It is not a de Polignac number, because 2720786697 - 2²⁶ = 2653677833 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2720786657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305997 + ... + 314762.

It is an arithmetic number, because the mean of its divisors is an integer number (328175120).

Almost surely, 2^2720786697 is an apocalyptic number.

It is an amenable number.

2720786697 is a deficient number, since it is larger than the sum of its proper divisors (1217314743).

2720786697 is a wasteful number, since it uses less digits than its factorization.

2720786697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621252 (or 621249 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 2720786697 is about 52161.1608095525. The cubic root of 2720786697 is about 1396.0409742751.

The spelling of 2720786697 in words is "two billion, seven hundred twenty million, seven hundred eighty-six thousand, six hundred ninety-seven".