68407648 has 24 divisors (see below), whose sum is σ = 136578960. Its totient is φ = 33720960.

The previous prime is 68407583. The next prime is 68407667. The reversal of 68407648 is 84670486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12783 + ... + 17326.

It is an arithmetic number, because the mean of its divisors is an integer number (5690790).

Almost surely, 2^68407648 is an apocalyptic number.

It is an amenable number.

68407648 is a deficient number, since it is larger than the sum of its proper divisors (68171312).

68407648 is a wasteful number, since it uses less digits than its factorization.

68407648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30190 (or 30182 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 68407648 is about 8270.8916085269. The cubic root of 68407648 is about 408.9795124870.

The spelling of 68407648 in words is "sixty-eight million, four hundred seven thousand, six hundred forty-eight".