68970480 has 80 divisors (see below), whose sum is σ = 215060640. Its totient is φ = 18284544.

The previous prime is 68970463. The next prime is 68970509. The reversal of 68970480 is 8407986.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×68970480² = 9513854222860800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45576 + ... + 47064.

It is an arithmetic number, because the mean of its divisors is an integer number (2688258).

Almost surely, 2^68970480 is an apocalyptic number.

68970480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68970480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107530320).

68970480 is an abundant number, since it is smaller than the sum of its proper divisors (146090160).

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

68970480 is a wasteful number, since it uses less digits than its factorization.

68970480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 68970480 is about 8304.8467776353. The cubic root of 68970480 is about 410.0980927301.

The spelling of 68970480 in words is "sixty-eight million, nine hundred seventy thousand, four hundred eighty".