68571508 has 12 divisors (see below), whose sum is σ = 123243652. Its totient is φ = 33359040.

The previous prime is 68571493. The next prime is 68571539. The reversal of 68571508 is 80517586.

It can be written as a sum of positive squares in 2 ways, for example, as 45319824 + 23251684 = 6732^2 + 4822^2 .

It is a congruent number.

It is an unprimeable number.

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, 231513 + ... + 231808.

Almost surely, 2^68571508 is an apocalyptic number.

It is an amenable number.

68571508 is a deficient number, since it is larger than the sum of its proper divisors (54672144).

68571508 is a wasteful number, since it uses less digits than its factorization.

68571508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463362 (or 463360 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 68571508 is about 8280.7915080625. The cubic root of 68571508 is about 409.3058012749.

The spelling of 68571508 in words is "sixty-eight million, five hundred seventy-one thousand, five hundred eight".