6487740432 has 60 divisors (see below), whose sum is σ = 18647398380. Its totient is φ = 2104130304.

The previous prime is 6487740431. The next prime is 6487740443. The reversal of 6487740432 is 2340477846.

It can be written as a sum of positive squares in 2 ways, for example, as 5773568256 + 714172176 = 75984^2 + 26724^2 .

It is not an unprimeable number, because it can be changed into a prime (6487740431) 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, 603507 + ... + 614162.

It is an arithmetic number, because the mean of its divisors is an integer number (310789973).

Almost surely, 2^6487740432 is an apocalyptic number.

It is an amenable number.

6487740432 is an abundant number, since it is smaller than the sum of its proper divisors (12159657948).

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

6487740432 is a wasteful number, since it uses less digits than its factorization.

6487740432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217720 (or 1217711 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The square root of 6487740432 is about 80546.5109858894. The cubic root of 6487740432 is about 1865.0815329472.

The spelling of 6487740432 in words is "six billion, four hundred eighty-seven million, seven hundred forty thousand, four hundred thirty-two".