6857495742 has 8 divisors (see below), whose sum is σ = 13714991496. Its totient is φ = 2285831912.

The previous prime is 6857495741. The next prime is 6857495767. The reversal of 6857495742 is 2475947586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6857495742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857495741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571457973 + ... + 571457984.

It is an arithmetic number, because the mean of its divisors is an integer number (1714373937).

Almost surely, 2^6857495742 is an apocalyptic number.

6857495742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6857495742 is a wasteful number, since it uses less digits than its factorization.

6857495742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142915962.

The product of its digits is 16934400, while the sum is 57.

The square root of 6857495742 is about 82809.9978384253. The cubic root of 6857495742 is about 1899.8610925226.

The spelling of 6857495742 in words is "six billion, eight hundred fifty-seven million, four hundred ninety-five thousand, seven hundred forty-two".