6527728404 has 144 divisors (see below), whose sum is σ = 17660697600. Its totient is φ = 2029224960.

The previous prime is 6527728399. The next prime is 6527728409. The reversal of 6527728404 is 4048277256.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6527728399) and next prime (6527728409).

It is a super-2 number, since 2×6527728404² = 85222476232776774432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6527728404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6527728409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4665297 + ... + 4666695.

Almost surely, 2^6527728404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6527728404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8830348800).

6527728404 is an abundant number, since it is smaller than the sum of its proper divisors (11132969196).

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

6527728404 is a wasteful number, since it uses less digits than its factorization.

6527728404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 6527728404 is about 80794.3587387139. The cubic root of 6527728404 is about 1868.9055721552.

The spelling of 6527728404 in words is "six billion, five hundred twenty-seven million, seven hundred twenty-eight thousand, four hundred four".