6740403420 has 24 divisors (see below), whose sum is σ = 18873129744. Its totient is φ = 1797440896.

The previous prime is 6740403413. The next prime is 6740403421. The reversal of 6740403420 is 243040476.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740403421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56169969 + ... + 56170088.

It is an arithmetic number, because the mean of its divisors is an integer number (786380406).

Almost surely, 2^6740403420 is an apocalyptic number.

6740403420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6740403420 is an abundant number, since it is smaller than the sum of its proper divisors (12132726324).

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

6740403420 is a wasteful number, since it uses less digits than its factorization.

6740403420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112340069 (or 112340067 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 6740403420 is about 82099.9599269086. The cubic root of 6740403420 is about 1888.9855253879.

Adding to 6740403420 its reverse (243040476), we get a palindrome (6983443896).

The spelling of 6740403420 in words is "six billion, seven hundred forty million, four hundred three thousand, four hundred twenty".