768423740 has 24 divisors (see below), whose sum is σ = 1844217312. Its totient is φ = 263459520.

The previous prime is 768423739. The next prime is 768423779. The reversal of 768423740 is 47324867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744231 + ... + 2744510.

It is an arithmetic number, because the mean of its divisors is an integer number (76842388).

Almost surely, 2^768423740 is an apocalyptic number.

768423740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

768423740 is an abundant number, since it is smaller than the sum of its proper divisors (1075793572).

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

768423740 is a wasteful number, since it uses less digits than its factorization.

768423740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488757 (or 5488755 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 768423740 is about 27720.4570669388. The cubic root of 768423740 is about 915.9397871088.

The spelling of 768423740 in words is "seven hundred sixty-eight million, four hundred twenty-three thousand, seven hundred forty".