6700440 has 32 divisors (see below), whose sum is σ = 20101680. Its totient is φ = 1786752.

The previous prime is 6700417. The next prime is 6700489. The reversal of 6700440 is 440076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27799 + ... + 28038.

Almost surely, 2^6700440 is an apocalyptic number.

6700440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6700440 is an abundant number, since it is smaller than the sum of its proper divisors (13401240).

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

6700440 is a wasteful number, since it uses less digits than its factorization.

6700440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55851 (or 55847 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 6700440 is about 2588.5208131286. The cubic root of 6700440 is about 188.5244898257.

It can be divided in two parts, 6700 and 440, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 6700440 in words is "six million, seven hundred thousand, four hundred forty".