6749290386 has 32 divisors (see below), whose sum is σ = 15004224000. Its totient is φ = 2248893360.

The previous prime is 6749290367. The next prime is 6749290391. The reversal of 6749290386 is 6830929476.

It is a happy number.

6749290386 is a `hidden beast` number, since 67 + 492 + 90 + 3 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 125215 + ... + 170813.

It is an arithmetic number, because the mean of its divisors is an integer number (468882000).

Almost surely, 2^6749290386 is an apocalyptic number.

6749290386 is an abundant number, since it is smaller than the sum of its proper divisors (8254933614).

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

6749290386 is a wasteful number, since it uses less digits than its factorization.

6749290386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48351 (or 48345 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 6749290386 is about 82154.0649389913. The cubic root of 6749290386 is about 1889.8153460314.

The spelling of 6749290386 in words is "six billion, seven hundred forty-nine million, two hundred ninety thousand, three hundred eighty-six".