6731375400 has 120 divisors (see below), whose sum is σ = 23379120270. Its totient is φ = 1795029120.

The previous prime is 6731375327. The next prime is 6731375407. The reversal of 6731375400 is 45731376.

It can be written as a sum of positive squares in 3 ways, for example, as 3336448644 + 3394926756 = 57762^2 + 58266^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×6731375400² = 90622829551450320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6731375407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 191559 + ... + 223958.

Almost surely, 2^6731375400 is an apocalyptic number.

6731375400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6731375400 is an abundant number, since it is smaller than the sum of its proper divisors (16647744870).

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

6731375400 is a wasteful number, since it uses less digits than its factorization.

6731375400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415545 (or 415527 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 6731375400 is about 82044.9596258052. The cubic root of 6731375400 is about 1888.1417866382.

The spelling of 6731375400 in words is "six billion, seven hundred thirty-one million, three hundred seventy-five thousand, four hundred".