6461578 has 16 divisors (see below), whose sum is σ = 10126080. Its totient is φ = 3088800.

The previous prime is 6461573. The next prime is 6461617. The reversal of 6461578 is 8751646.

It is not an unprimeable number, because it can be changed into a prime (6461573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (632880).

Almost surely, 2^6461578 is an apocalyptic number.

6461578 is a deficient number, since it is larger than the sum of its proper divisors (3664502).

6461578 is a wasteful number, since it uses less digits than its factorization.

6461578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293.

The product of its digits is 40320, while the sum is 37.

The square root of 6461578 is about 2541.9634143709. The cubic root of 6461578 is about 186.2571115703.

The spelling of 6461578 in words is "six million, four hundred sixty-one thousand, five hundred seventy-eight".