68680748 has 36 divisors (see below), whose sum is σ = 131624136. Its totient is φ = 31248000.

The previous prime is 68680727. The next prime is 68680789. The reversal of 68680748 is 84708686.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64823 + ... + 65873.

It is an arithmetic number, because the mean of its divisors is an integer number (3656226).

Almost surely, 2^68680748 is an apocalyptic number.

68680748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68680748 is a deficient number, since it is larger than the sum of its proper divisors (62943388).

68680748 is a wasteful number, since it uses less digits than its factorization.

68680748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 68680748 is about 8287.3848709952. The cubic root of 68680748 is about 409.5230384552.

The spelling of 68680748 in words is "sixty-eight million, six hundred eighty thousand, seven hundred forty-eight".