68910264 has 160 divisors (see below), whose sum is σ = 211266000. Its totient is φ = 20901888.

The previous prime is 68910263. The next prime is 68910307. The reversal of 68910264 is 46201986.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68910263) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 356952 + ... + 357144.

Almost surely, 2^68910264 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 68910264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105633000).

68910264 is an abundant number, since it is smaller than the sum of its proper divisors (142355736).

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

68910264 is a wasteful number, since it uses less digits than its factorization.

68910264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 68910264 is about 8301.2206331358. The cubic root of 68910264 is about 409.9787099792.

The spelling of 68910264 in words is "sixty-eight million, nine hundred ten thousand, two hundred sixty-four".