7278340067394 has 32 divisors (see below), whose sum is σ = 15880172200704. Its totient is φ = 2205535720080.

The previous prime is 7278340067389. The next prime is 7278340067461. The reversal of 7278340067394 is 4937600438727.

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, 6925237 + ... + 7906679.

It is an arithmetic number, because the mean of its divisors is an integer number (496255381272).

Almost surely, 2^{7278340067394} is an apocalyptic number.

7278340067394 is an abundant number, since it is smaller than the sum of its proper divisors (8601832133310).

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

7278340067394 is a wasteful number, since it uses less digits than its factorization.

7278340067394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093822.

The product of its (nonzero) digits is 42674688, while the sum is 60.

The spelling of 7278340067394 in words is "seven trillion, two hundred seventy-eight billion, three hundred forty million, sixty-seven thousand, three hundred ninety-four".