68735480 has 32 divisors (see below), whose sum is σ = 168715440. Its totient is φ = 24994560.

The previous prime is 68735441. The next prime is 68735489. The reversal of 68735480 is 8453786.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68735489) 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, 77669 + ... + 78548.

Almost surely, 2^68735480 is an apocalyptic number.

It is an amenable number.

68735480 is an abundant number, since it is smaller than the sum of its proper divisors (99979960).

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

68735480 is a wasteful number, since it uses less digits than its factorization.

68735480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156239 (or 156235 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 68735480 is about 8290.6863407079. The cubic root of 68735480 is about 409.6317931610.

The spelling of 68735480 in words is "sixty-eight million, seven hundred thirty-five thousand, four hundred eighty".