7066278432 has 48 divisors (see below), whose sum is σ = 20609981280. Its totient is φ = 2355425856.

The previous prime is 7066278421. The next prime is 7066278433. The reversal of 7066278432 is 2348726607.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (7066278433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4088418 + ... + 4090145.

It is an arithmetic number, because the mean of its divisors is an integer number (429374610).

Almost surely, 2^7066278432 is an apocalyptic number.

7066278432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7066278432 is an abundant number, since it is smaller than the sum of its proper divisors (13543702848).

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

7066278432 is a wasteful number, since it uses less digits than its factorization.

7066278432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8178582 (or 8178568 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 7066278432 is about 84061.1588785213. The cubic root of 7066278432 is about 1918.9496598890.

The spelling of 7066278432 in words is "seven billion, sixty-six million, two hundred seventy-eight thousand, four hundred thirty-two".