7148837256 has 64 divisors (see below), whose sum is σ = 19525147200. Its totient is φ = 2163168000.

The previous prime is 7148837249. The next prime is 7148837273. The reversal of 7148837256 is 6527388417.

It is a super-2 number, since 2×7148837256² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7148837199 and 7148837208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165750 + ... + 204378.

It is an arithmetic number, because the mean of its divisors is an integer number (305080425).

Almost surely, 2^7148837256 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 7148837256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9762573600).

7148837256 is an abundant number, since it is smaller than the sum of its proper divisors (12376309944).

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

7148837256 is a wasteful number, since it uses less digits than its factorization.

7148837256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39350 (or 39346 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 7148837256 is about 84550.7968974864. The cubic root of 7148837256 is about 1926.3940882381.

The spelling of 7148837256 in words is "seven billion, one hundred forty-eight million, eight hundred thirty-seven thousand, two hundred fifty-six".