7294355648 has 56 divisors (see below), whose sum is σ = 15424172352. Its totient is φ = 3410694144.

The previous prime is 7294355647. The next prime is 7294355689. The reversal of 7294355648 is 8465534927.

It is a Cunningham number, because it is equal to 85407²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 7294355648.

It is not an unprimeable number, because it can be changed into a prime (7294355647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149465 + ... + 192167.

Almost surely, 2^7294355648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7294355648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7712086176).

7294355648 is an abundant number, since it is smaller than the sum of its proper divisors (8129816704).

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

7294355648 is a wasteful number, since it uses less digits than its factorization.

7294355648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42889 (or 42879 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 53.

The square root of 7294355648 is about 85406.9999941457. Note that the first 5 decimals coincide. The cubic root of 7294355648 is about 1939.3773153024.

The spelling of 7294355648 in words is "seven billion, two hundred ninety-four million, three hundred fifty-five thousand, six hundred forty-eight".