7074794743978 has 16 divisors (see below), whose sum is σ = 11428559399880. Its totient is φ = 3265277078016.

The previous prime is 7074794743943. The next prime is 7074794743979. The reversal of 7074794743978 is 8793474974707.

It can be written as a sum of positive squares in 4 ways, for example, as 7008795592569 + 65999151409 = 2647413^2 + 256903^2 .

It is not an unprimeable number, because it can be changed into a prime (7074794743979) 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, 10640418 + ... + 11285746.

Almost surely, 2^{7074794743978} is an apocalyptic number.

7074794743978 is a deficient number, since it is larger than the sum of its proper divisors (4353764655902).

7074794743978 is a wasteful number, since it uses less digits than its factorization.

7074794743978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067001.

The product of its (nonzero) digits is 2091059712, while the sum is 76.

The spelling of 7074794743978 in words is "seven trillion, seventy-four billion, seven hundred ninety-four million, seven hundred forty-three thousand, nine hundred seventy-eight".