6509742 has 32 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 1934208.

The previous prime is 6509719. The next prime is 6509749. The reversal of 6509742 is 2479056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6509749) 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, 259 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^6509742 is an apocalyptic number.

6509742 is an abundant number, since it is smaller than the sum of its proper divisors (8005458).

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

6509742 is a wasteful number, since it uses less digits than its factorization.

6509742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6509742 is about 2551.4196048475. The cubic root of 6509742 is about 186.7187475143.

The spelling of 6509742 in words is "six million, five hundred nine thousand, seven hundred forty-two".