6735420 has 48 divisors (see below), whose sum is σ = 20956320. Its totient is φ = 1795968.

The previous prime is 6735413. The next prime is 6735427. The reversal of 6735420 is 245376.

It is a happy number.

6735420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6735413) and next prime (6735427).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6735427) 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, 5697 + ... + 6776.

It is an arithmetic number, because the mean of its divisors is an integer number (436590).

Almost surely, 2^6735420 is an apocalyptic number.

6735420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6735420 is an abundant number, since it is smaller than the sum of its proper divisors (14220900).

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

6735420 is a wasteful number, since it uses less digits than its factorization.

6735420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12491 (or 12483 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 6735420 is about 2595.2687722084. The cubic root of 6735420 is about 188.8519879216.

The spelling of 6735420 in words is "six million, seven hundred thirty-five thousand, four hundred twenty".