68480464 has 20 divisors (see below), whose sum is σ = 142887556. Its totient is φ = 31606272.

The previous prime is 68480459. The next prime is 68480473. The reversal of 68480464 is 46408486.

It can be written as a sum of positive squares in 2 ways, for example, as 37210000 + 31270464 = 6100^2 + 5592^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164409 + ... + 164824.

Almost surely, 2^68480464 is an apocalyptic number.

It is an amenable number.

68480464 is an abundant number, since it is smaller than the sum of its proper divisors (74407092).

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

68480464 is a wasteful number, since it uses less digits than its factorization.

68480464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329254 (or 329248 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 68480464 is about 8275.2923815416. The cubic root of 68480464 is about 409.1245727389.

The spelling of 68480464 in words is "sixty-eight million, four hundred eighty thousand, four hundred sixty-four".