6448420724 has 12 divisors (see below), whose sum is σ = 11365922400. Its totient is φ = 3201014328.

The previous prime is 6448420721. The next prime is 6448420729. The reversal of 6448420724 is 4270248446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448420721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5798384 + ... + 5799495.

It is an arithmetic number, because the mean of its divisors is an integer number (947160200).

Almost surely, 2^6448420724 is an apocalyptic number.

It is an amenable number.

6448420724 is a deficient number, since it is larger than the sum of its proper divisors (4917501676).

6448420724 is a wasteful number, since it uses less digits than its factorization.

6448420724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598022 (or 11598020 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 41.

The square root of 6448420724 is about 80302.0592762103. The cubic root of 6448420724 is about 1861.3060472920.

The spelling of 6448420724 in words is "six billion, four hundred forty-eight million, four hundred twenty thousand, seven hundred twenty-four".