6542670 has 24 divisors (see below), whose sum is σ = 15736104. Its totient is φ = 1740976.

The previous prime is 6542647. The next prime is 6542681. The reversal of 6542670 is 762456.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13777 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (655671).

Almost surely, 2^6542670 is an apocalyptic number.

6542670 is an abundant number, since it is smaller than the sum of its proper divisors (9193434).

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

6542670 is an equidigital number, since it uses as much as digits as its factorization.

6542670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 6542670 is about 2557.8643435491. The cubic root of 6542670 is about 187.0330424801.

Multiplying 6542670 by its sum of digits (30), we get a square (196280100 = 14010²).

6542670 divided by its sum of digits (30) gives a square (218089 = 467²).

The spelling of 6542670 in words is "six million, five hundred forty-two thousand, six hundred seventy".