68925216 has 96 divisors (see below), whose sum is σ = 188939520. Its totient is φ = 21982464.

The previous prime is 68925211. The next prime is 68925239. The reversal of 68925216 is 61252986.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68925211) 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, 243411 + ... + 243693.

It is an arithmetic number, because the mean of its divisors is an integer number (1968120).

Almost surely, 2^68925216 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 68925216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94469760).

68925216 is an abundant number, since it is smaller than the sum of its proper divisors (120014304).

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

68925216 is a wasteful number, since it uses less digits than its factorization.

68925216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 390 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 68925216 is about 8302.1211747360. The cubic root of 68925216 is about 410.0083599327.

The spelling of 68925216 in words is "sixty-eight million, nine hundred twenty-five thousand, two hundred sixteen".