1904766768 has 60 divisors (see below), whose sum is σ = 5644279368. Its totient is φ = 597573120.

The previous prime is 1904766767. The next prime is 1904766793. The reversal of 1904766768 is 8676674091.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1904766767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386598 + ... + 391493.

Almost surely, 2^1904766768 is an apocalyptic number.

1904766768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1904766768 is an abundant number, since it is smaller than the sum of its proper divisors (3739512600).

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

1904766768 is a wasteful number, since it uses less digits than its factorization.

1904766768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778122 (or 778113 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 1904766768 is about 43643.6337625546. The cubic root of 1904766768 is about 1239.5972434603.

The spelling of 1904766768 in words is "one billion, nine hundred four million, seven hundred sixty-six thousand, seven hundred sixty-eight".