7311867948 has 384 divisors, whose sum is σ = 24710676480. Its totient is φ = 1814400000.

The previous prime is 7311867947. The next prime is 7311868001. The reversal of 7311867948 is 8497681137.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 7311867894 and 7311867903.

It is not an unprimeable number, because it can be changed into a prime (7311867947) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29130823 + ... + 29131073.

It is an arithmetic number, because the mean of its divisors is an integer number (64350720).

Almost surely, 2^7311867948 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 7311867948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12355338240).

7311867948 is an abundant number, since it is smaller than the sum of its proper divisors (17398808532).

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

7311867948 is a wasteful number, since it uses less digits than its factorization.

7311867948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 7311867948 is about 85509.4611607394. The cubic root of 7311867948 is about 1940.9280949166.

The spelling of 7311867948 in words is "seven billion, three hundred eleven million, eight hundred sixty-seven thousand, nine hundred forty-eight".