6400704527 has 24 divisors (see below), whose sum is σ = 7941387744. Its totient is φ = 5125811712.

The previous prime is 6400704487. The next prime is 6400704533. The reversal of 6400704527 is 7254070046.

It is not a de Polignac number, because 6400704527 - 2¹² = 6400700431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400704547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86078 + ... + 142164.

It is an arithmetic number, because the mean of its divisors is an integer number (330891156).

Almost surely, 2^6400704527 is an apocalyptic number.

6400704527 is a deficient number, since it is larger than the sum of its proper divisors (1540683217).

6400704527 is a wasteful number, since it uses less digits than its factorization.

6400704527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56255 (or 56248 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 6400704527 is about 80004.4031725754. The cubic root of 6400704527 is about 1856.7036585424.

The spelling of 6400704527 in words is "six billion, four hundred million, seven hundred four thousand, five hundred twenty-seven".