768371634 has 24 divisors (see below), whose sum is σ = 1696218732. Its totient is φ = 251291040.

The previous prime is 768371623. The next prime is 768371663. The reversal of 768371634 is 436173867.

768371634 is a `hidden beast` number, since 7 + 6 + 8 + 3 + 7 + 1 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 767567025 + 804609 = 27705^2 + 897^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 768371634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401757 + ... + 403664.

Almost surely, 2^768371634 is an apocalyptic number.

768371634 is an abundant number, since it is smaller than the sum of its proper divisors (927847098).

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

768371634 is a wasteful number, since it uses less digits than its factorization.

768371634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805482 (or 805479 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 768371634 is about 27719.5172035878. The cubic root of 768371634 is about 915.9190836719.

The spelling of 768371634 in words is "seven hundred sixty-eight million, three hundred seventy-one thousand, six hundred thirty-four".