68970912 has 48 divisors (see below), whose sum is σ = 190582560. Its totient is φ = 21779712.

The previous prime is 68970883. The next prime is 68970917. The reversal of 68970912 is 21907986.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×68970912² = 9513973404223488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68970917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17083 + ... + 20730.

It is an arithmetic number, because the mean of its divisors is an integer number (3970470).

Almost surely, 2^68970912 is an apocalyptic number.

It is an amenable number.

68970912 is an abundant number, since it is smaller than the sum of its proper divisors (121611648).

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

68970912 is a wasteful number, since it uses less digits than its factorization.

68970912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37845 (or 37837 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 68970912 is about 8304.8727865031. The cubic root of 68970912 is about 410.0989489515.

The spelling of 68970912 in words is "sixty-eight million, nine hundred seventy thousand, nine hundred twelve".