68725480 has 16 divisors (see below), whose sum is σ = 154632420. Its totient is φ = 27490176.

The previous prime is 68725477. The next prime is 68725487. The reversal of 68725480 is 8452786.

It can be written as a sum of positive squares in 2 ways, for example, as 68591524 + 133956 = 8282^2 + 366^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1718137 = 68725480 / (6 + 8 + 7 + 2 + 5 + 4 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (68725487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859029 + ... + 859108.

Almost surely, 2^68725480 is an apocalyptic number.

It is an amenable number.

68725480 is an abundant number, since it is smaller than the sum of its proper divisors (85906940).

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

68725480 is a wasteful number, since it uses less digits than its factorization.

68725480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718148 (or 1718144 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 68725480 is about 8290.0832323928. The cubic root of 68725480 is about 409.6119270666.

The spelling of 68725480 in words is "sixty-eight million, seven hundred twenty-five thousand, four hundred eighty".