6478725134 has 32 divisors (see below), whose sum is σ = 11159479296. Its totient is φ = 2763358560.

The previous prime is 6478725103. The next prime is 6478725139. The reversal of 6478725134 is 4315278746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478725139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3354149 + ... + 3356079.

It is an arithmetic number, because the mean of its divisors is an integer number (348733728).

Almost surely, 2^6478725134 is an apocalyptic number.

6478725134 is a deficient number, since it is larger than the sum of its proper divisors (4680754162).

6478725134 is a wasteful number, since it uses less digits than its factorization.

6478725134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960.

The product of its digits is 1128960, while the sum is 47.

The square root of 6478725134 is about 80490.5282253757. The cubic root of 6478725134 is about 1864.2172330512.

The spelling of 6478725134 in words is "six billion, four hundred seventy-eight million, seven hundred twenty-five thousand, one hundred thirty-four".