6542370 has 80 divisors (see below), whose sum is σ = 18112248. Its totient is φ = 1693440.

The previous prime is 6542369. The next prime is 6542381. The reversal of 6542370 is 732456.

It is a happy number.

6542370 is a `hidden beast` number, since 654 + 2 + 3 + 7 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5433561 + 1108809 = 2331^2 + 1053^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33112 + ... + 33308.

Almost surely, 2^6542370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6542370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9056124).

6542370 is an abundant number, since it is smaller than the sum of its proper divisors (11569878).

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

6542370 is a wasteful number, since it uses less digits than its factorization.

6542370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 248 counting only the distinct ones).

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

The square root of 6542370 is about 2557.8057002048. The cubic root of 6542370 is about 187.0301837710.

The spelling of 6542370 in words is "six million, five hundred forty-two thousand, three hundred seventy".