68440748 has 6 divisors (see below), whose sum is σ = 119771316. Its totient is φ = 34220372.

The previous prime is 68440747. The next prime is 68440763. The reversal of 68440748 is 84704486.

It is not an unprimeable number, because it can be changed into a prime (68440741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8555090 + ... + 8555097.

It is an arithmetic number, because the mean of its divisors is an integer number (19961886).

Almost surely, 2^68440748 is an apocalyptic number.

It is an amenable number.

68440748 is a deficient number, since it is larger than the sum of its proper divisors (51330568).

68440748 is a wasteful number, since it uses less digits than its factorization.

68440748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17110191 (or 17110189 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 68440748 is about 8272.8923599912. The cubic root of 68440748 is about 409.0454653419.

The spelling of 68440748 in words is "sixty-eight million, four hundred forty thousand, seven hundred forty-eight".