6464542 has 16 divisors (see below), whose sum is σ = 11115360. Its totient is φ = 2762208.

The previous prime is 6464537. The next prime is 6464551. The reversal of 6464542 is 2454646.

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, 7384 + ... + 8212.

It is an arithmetic number, because the mean of its divisors is an integer number (694710).

Almost surely, 2^6464542 is an apocalyptic number.

6464542 is a deficient number, since it is larger than the sum of its proper divisors (4650818).

6464542 is a wasteful number, since it uses less digits than its factorization.

6464542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395.

The product of its digits is 23040, while the sum is 31.

The square root of 6464542 is about 2542.5463614259. The cubic root of 6464542 is about 186.2855866418.

The spelling of 6464542 in words is "six million, four hundred sixty-four thousand, five hundred forty-two".