6497720796 has 24 divisors (see below), whose sum is σ = 17327255680. Its totient is φ = 1856491632.

The previous prime is 6497720791. The next prime is 6497720797. The reversal of 6497720796 is 6970277946.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497720791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38676826 + ... + 38676993.

Almost surely, 2^6497720796 is an apocalyptic number.

It is an amenable number.

6497720796 is an abundant number, since it is smaller than the sum of its proper divisors (10829534884).

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

6497720796 is a wasteful number, since it uses less digits than its factorization.

6497720796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77353833 (or 77353831 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 57.

The square root of 6497720796 is about 80608.4412205074. The cubic root of 6497720796 is about 1866.0374207448.

The spelling of 6497720796 in words is "six billion, four hundred ninety-seven million, seven hundred twenty thousand, seven hundred ninety-six".