6748256690 has 32 divisors (see below), whose sum is σ = 13931222400. Its totient is φ = 2305505664.

The previous prime is 6748256687. The next prime is 6748256737. The reversal of 6748256690 is 966528476.

It is a super-2 number, since 2×6748256690² = 91077936708259512200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 150515 + ... + 190134.

It is an arithmetic number, because the mean of its divisors is an integer number (435350700).

Almost surely, 2^6748256690 is an apocalyptic number.

6748256690 is an abundant number, since it is smaller than the sum of its proper divisors (7182965710).

6748256690 is a wasteful number, since it uses less digits than its factorization.

6748256690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340946.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The square root of 6748256690 is about 82147.7734938690. The cubic root of 6748256690 is about 1889.7188620955.

The spelling of 6748256690 in words is "six billion, seven hundred forty-eight million, two hundred fifty-six thousand, six hundred ninety".