6448734 has 28 divisors (see below), whose sum is σ = 14506296. Its totient is φ = 2149092.

The previous prime is 6448699. The next prime is 6448781. The reversal of 6448734 is 4378446.

6448734 is a `hidden beast` number, since 644 + 8 + 7 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 754 + ... + 3669.

It is an arithmetic number, because the mean of its divisors is an integer number (518082).

Almost surely, 2^6448734 is an apocalyptic number.

6448734 is an abundant number, since it is smaller than the sum of its proper divisors (8057562).

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

6448734 is an equidigital number, since it uses as much as digits as its factorization.

6448734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443 (or 4428 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 6448734 is about 2539.4357641019. The cubic root of 6448734 is about 186.1336188681.

The spelling of 6448734 in words is "six million, four hundred forty-eight thousand, seven hundred thirty-four".