6427328734 has 4 divisors (see below), whose sum is σ = 9640993104. Its totient is φ = 3213664366.

The previous prime is 6427328731. The next prime is 6427328767. The reversal of 6427328734 is 4378237246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4378237246 = 2 ⋅2189118623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427328731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606832182 + ... + 1606832185.

It is an arithmetic number, because the mean of its divisors is an integer number (2410248276).

Almost surely, 2^6427328734 is an apocalyptic number.

6427328734 is a deficient number, since it is larger than the sum of its proper divisors (3213664370).

6427328734 is a wasteful number, since it uses less digits than its factorization.

6427328734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213664369.

The product of its digits is 1354752, while the sum is 46.

The square root of 6427328734 is about 80170.6226369735. The cubic root of 6427328734 is about 1859.2744630447.

The spelling of 6427328734 in words is "six billion, four hundred twenty-seven million, three hundred twenty-eight thousand, seven hundred thirty-four".