768147242 has 4 divisors (see below), whose sum is σ = 1152220866. Its totient is φ = 384073620.

The previous prime is 768147239. The next prime is 768147251. The reversal of 768147242 is 242741867.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 766680721 + 1466521 = 27689^2 + 1211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 768147242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192036809 + ... + 192036812.

Almost surely, 2^768147242 is an apocalyptic number.

768147242 is a deficient number, since it is larger than the sum of its proper divisors (384073624).

768147242 is a wasteful number, since it uses less digits than its factorization.

768147242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384073623.

The product of its digits is 150528, while the sum is 41.

The square root of 768147242 is about 27715.4693627945. The cubic root of 768147242 is about 915.8299146135.

The spelling of 768147242 in words is "seven hundred sixty-eight million, one hundred forty-seven thousand, two hundred forty-two".