6557974734 has 8 divisors (see below), whose sum is σ = 13115949480. Its totient is φ = 2185991576.

The previous prime is 6557974733. The next prime is 6557974741. The reversal of 6557974734 is 4374797556.

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

6557974734 is an admirable number.

It is a super-2 number, since 2×6557974734² = 86014065223564741512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557974733) 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, 546497889 + ... + 546497900.

It is an arithmetic number, because the mean of its divisors is an integer number (1639493685).

Almost surely, 2^6557974734 is an apocalyptic number.

6557974734 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.

6557974734 is a wasteful number, since it uses less digits than its factorization.

6557974734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092995794.

The product of its digits is 22226400, while the sum is 57.

The square root of 6557974734 is about 80981.3233653291. The cubic root of 6557974734 is about 1871.7876595709.

The spelling of 6557974734 in words is "six billion, five hundred fifty-seven million, nine hundred seventy-four thousand, seven hundred thirty-four".