768742451 has 8 divisors (see below), whose sum is σ = 831073680. Its totient is φ = 708598368.

The previous prime is 768742441. The next prime is 768742459. The reversal of 768742451 is 154247867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768742451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768742459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546056 + ... + 547461.

It is an arithmetic number, because the mean of its divisors is an integer number (103884210).

Almost surely, 2^768742451 is an apocalyptic number.

768742451 is a deficient number, since it is larger than the sum of its proper divisors (62331229).

768742451 is a wasteful number, since it uses less digits than its factorization.

768742451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093573.

The product of its digits is 376320, while the sum is 44.

The square root of 768742451 is about 27726.2051316079. The cubic root of 768742451 is about 916.0664011633.

The spelling of 768742451 in words is "seven hundred sixty-eight million, seven hundred forty-two thousand, four hundred fifty-one".