6740557401 has 32 divisors (see below), whose sum is σ = 9629383680. Its totient is φ = 4181371200.

The previous prime is 6740557393. The next prime is 6740557427. The reversal of 6740557401 is 1047550476.

It is not a de Polignac number, because 6740557401 - 2³ = 6740557393 is a prime.

It is a super-2 number, since 2×6740557401² = 90870228152351749602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6740557401.

It is not an unprimeable number, because it can be changed into a prime (6740557471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4460236 + ... + 4461746.

It is an arithmetic number, because the mean of its divisors is an integer number (300918240).

Almost surely, 2^6740557401 is an apocalyptic number.

6740557401 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6740557401 is a deficient number, since it is larger than the sum of its proper divisors (2888826279).

6740557401 is a wasteful number, since it uses less digits than its factorization.

6740557401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 6740557401 is about 82100.8976869315. The cubic root of 6740557401 is about 1888.9999095746. Note that the first 4 decimals are identical.

The spelling of 6740557401 in words is "six billion, seven hundred forty million, five hundred fifty-seven thousand, four hundred one".