6774390994 has 32 divisors (see below), whose sum is σ = 11849089536. Its totient is φ = 2844504000.

The previous prime is 6774390991. The next prime is 6774391007. The reversal of 6774390994 is 4990934776.

6774390994 = 15541² + 15542² + ... + 15568².

It is not an unprimeable number, because it can be changed into a prime (6774390991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551164 + ... + 563320.

It is an arithmetic number, because the mean of its divisors is an integer number (370284048).

Almost surely, 2^6774390994 is an apocalyptic number.

6774390994 is a deficient number, since it is larger than the sum of its proper divisors (5074698542).

6774390994 is a wasteful number, since it uses less digits than its factorization.

6774390994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12970.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The square root of 6774390994 is about 82306.6886346426. The cubic root of 6774390994 is about 1892.1551886153.

The spelling of 6774390994 in words is "six billion, seven hundred seventy-four million, three hundred ninety thousand, nine hundred ninety-four".