67986572 has 6 divisors (see below), whose sum is σ = 118976508. Its totient is φ = 33993284.

The previous prime is 67986571. The next prime is 67986577. The reversal of 67986572 is 27568976.

It is a super-2 number, since 2×67986572² = 9244347944622368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67986572.

It is not an unprimeable number, because it can be changed into a prime (67986571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8498318 + ... + 8498325.

It is an arithmetic number, because the mean of its divisors is an integer number (19829418).

Almost surely, 2^67986572 is an apocalyptic number.

It is an amenable number.

67986572 is a deficient number, since it is larger than the sum of its proper divisors (50989936).

67986572 is a wasteful number, since it uses less digits than its factorization.

67986572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16996647 (or 16996645 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 67986572 is about 8245.3970189434. The cubic root of 67986572 is about 408.1386415286.

The spelling of 67986572 in words is "sixty-seven million, nine hundred eighty-six thousand, five hundred seventy-two".