7178272416 has 144 divisors (see below), whose sum is σ = 23354158464. Its totient is φ = 2048758272.

The previous prime is 7178272369. The next prime is 7178272429. The reversal of 7178272416 is 6142728717.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×7178272416³ (a number of 31 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3593530 + ... + 3595526.

It is an arithmetic number, because the mean of its divisors is an integer number (162181656).

Almost surely, 2^7178272416 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 7178272416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11677079232).

7178272416 is an abundant number, since it is smaller than the sum of its proper divisors (16175886048).

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

7178272416 is a wasteful number, since it uses less digits than its factorization.

7178272416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803 (or 3792 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 7178272416 is about 84724.6859893856. The cubic root of 7178272416 is about 1929.0344276544.

The spelling of 7178272416 in words is "seven billion, one hundred seventy-eight million, two hundred seventy-two thousand, four hundred sixteen".