68760740 has 48 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 26275200.

The previous prime is 68760739. The next prime is 68760749. The reversal of 68760740 is 4706786.

It is a junction number, because it is equal to n+sod(n) for n = 68760694 and 68760703.

It is not an unprimeable number, because it can be changed into a prime (68760749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59165 + ... + 60315.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^68760740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68760740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75479040).

68760740 is an abundant number, since it is smaller than the sum of its proper divisors (82197340).

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

68760740 is a wasteful number, since it uses less digits than its factorization.

68760740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 68760740 is about 8292.2095969651. The cubic root of 68760740 is about 409.6819663361.

The spelling of 68760740 in words is "sixty-eight million, seven hundred sixty thousand, seven hundred forty".