68147480 has 16 divisors (see below), whose sum is σ = 153331920. Its totient is φ = 27258976.

The previous prime is 68147479. The next prime is 68147483. The reversal of 68147480 is 8474186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68147483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851804 + ... + 851883.

It is an arithmetic number, because the mean of its divisors is an integer number (9583245).

Almost surely, 2^68147480 is an apocalyptic number.

It is an amenable number.

68147480 is an abundant number, since it is smaller than the sum of its proper divisors (85184440).

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

68147480 is a wasteful number, since it uses less digits than its factorization.

68147480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703698 (or 1703694 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 68147480 is about 8255.1486964197. The cubic root of 68147480 is about 408.4603767773.

The spelling of 68147480 in words is "sixty-eight million, one hundred forty-seven thousand, four hundred eighty".