68748030 has 96 divisors (see below), whose sum is σ = 195590304. Its totient is φ = 16651008.

The previous prime is 68748007. The next prime is 68748041. The reversal of 68748030 is 3084786.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77952 + ... + 78828.

It is an arithmetic number, because the mean of its divisors is an integer number (2037399).

Almost surely, 2^68748030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68748030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97795152).

68748030 is an abundant number, since it is smaller than the sum of its proper divisors (126842274).

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

68748030 is a wasteful number, since it uses less digits than its factorization.

68748030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 68748030 is about 8291.4431795677. The cubic root of 68748030 is about 409.6567223832.

The spelling of 68748030 in words is "sixty-eight million, seven hundred forty-eight thousand, thirty".