768408242 has 32 divisors (see below), whose sum is σ = 1376870400. Its totient is φ = 314466768.

The previous prime is 768408239. The next prime is 768408247. The reversal of 768408242 is 242804867.

It is a self number, because there is not a number n which added to its sum of digits gives 768408242.

It is not an unprimeable number, because it can be changed into a prime (768408247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229859 + ... + 233177.

It is an arithmetic number, because the mean of its divisors is an integer number (43027200).

Almost surely, 2^768408242 is an apocalyptic number.

768408242 is a deficient number, since it is larger than the sum of its proper divisors (608462158).

768408242 is a wasteful number, since it uses less digits than its factorization.

768408242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 768408242 is about 27720.1775246841. The cubic root of 768408242 is about 915.9336293387.

The spelling of 768408242 in words is "seven hundred sixty-eight million, four hundred eight thousand, two hundred forty-two".