6470840 has 16 divisors (see below), whose sum is σ = 14559480. Its totient is φ = 2588320.

The previous prime is 6470839. The next prime is 6470861. The reversal of 6470840 is 480746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80846 + ... + 80925.

Almost surely, 2^6470840 is an apocalyptic number.

It is an amenable number.

6470840 is an abundant number, since it is smaller than the sum of its proper divisors (8088640).

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

6470840 is a wasteful number, since it uses less digits than its factorization.

6470840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161782 (or 161778 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 6470840 is about 2543.7845820745. The cubic root of 6470840 is about 186.3460624822.

The spelling of 6470840 in words is "six million, four hundred seventy thousand, eight hundred forty".