2721064248 has 192 divisors, whose sum is σ = 8652533760. Its totient is φ = 756407808.

The previous prime is 2721064237. The next prime is 2721064253. The reversal of 2721064248 is 8424601272.

2721064248 is a `hidden beast` number, since 2 + 7 + 2 + 1 + 0 + 642 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7414161 + ... + 7414527.

It is an arithmetic number, because the mean of its divisors is an integer number (45065280).

Almost surely, 2^2721064248 is an apocalyptic number.

2721064248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2721064248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4326266880).

2721064248 is an abundant number, since it is smaller than the sum of its proper divisors (5931469512).

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

2721064248 is a wasteful number, since it uses less digits than its factorization.

2721064248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2721064248 is about 52163.8212557324. The cubic root of 2721064248 is about 1396.0884433146.

The spelling of 2721064248 in words is "two billion, seven hundred twenty-one million, sixty-four thousand, two hundred forty-eight".