6745555476 has 48 divisors (see below), whose sum is σ = 19078342080. Its totient is φ = 2044107360.

The previous prime is 6745555471. The next prime is 6745555489.

It is a happy number.

6745555476 is a `hidden beast` number, since 6 + 7 + 45 + 55 + 547 + 6 = 666.

6745555476 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745555471) 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, 2837851 + ... + 2840226.

It is an arithmetic number, because the mean of its divisors is an integer number (397465460).

Almost surely, 2^6745555476 is an apocalyptic number.

6745555476 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6745555476 is an abundant number, since it is smaller than the sum of its proper divisors (12332786604).

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

6745555476 is a wasteful number, since it uses less digits than its factorization.

6745555476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678101 (or 5678093 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 54.

The square root of 6745555476 is about 82131.3306601080. The cubic root of 6745555476 is about 1889.4666875207.

The spelling of 6745555476 in words is "six billion, seven hundred forty-five million, five hundred fifty-five thousand, four hundred seventy-six".