68586472 has 8 divisors (see below), whose sum is σ = 128599650. Its totient is φ = 34293232.

The previous prime is 68586467. The next prime is 68586473. The reversal of 68586472 is 27468586.

It can be written as a sum of positive squares in only one way, i.e., 63138916 + 5447556 = 7946^2 + 2334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68586473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4286647 + ... + 4286662.

Almost surely, 2^68586472 is an apocalyptic number.

It is an amenable number.

68586472 is a deficient number, since it is larger than the sum of its proper divisors (60013178).

68586472 is a wasteful number, since it uses less digits than its factorization.

68586472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8573315 (or 8573311 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 68586472 is about 8281.6949955912. The cubic root of 68586472 is about 409.3355726611.

The spelling of 68586472 in words is "sixty-eight million, five hundred eighty-six thousand, four hundred seventy-two".