68415930 has 96 divisors (see below), whose sum is σ = 200828160. Its totient is φ = 16007040.

The previous prime is 68415899. The next prime is 68415931. The reversal of 68415930 is 3951486.

68415930 is a `hidden beast` number, since 68 + 4 + 1 + 593 + 0 = 666.

It is a super-3 number, since 3×68415930³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68415931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27519 + ... + 29901.

It is an arithmetic number, because the mean of its divisors is an integer number (2091960).

Almost surely, 2^68415930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68415930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100414080).

68415930 is an abundant number, since it is smaller than the sum of its proper divisors (132412230).

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

68415930 is a wasteful number, since it uses less digits than its factorization.

68415930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 68415930 is about 8271.3922649092. The cubic root of 68415930 is about 408.9960166437.

The spelling of 68415930 in words is "sixty-eight million, four hundred fifteen thousand, nine hundred thirty".