67927988 has 12 divisors (see below), whose sum is σ = 125866692. Its totient is φ = 31966080.

The previous prime is 67927973. The next prime is 67927991. The reversal of 67927988 is 88972976.

It can be written as a sum of positive squares in 2 ways, for example, as 29463184 + 38464804 = 5428^2 + 6202^2 .

It is a super-2 number, since 2×67927988² = 9228423107456288, which contains 22 as substring.

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, 499403 + ... + 499538.

It is an arithmetic number, because the mean of its divisors is an integer number (10488891).

Almost surely, 2^67927988 is an apocalyptic number.

67927988 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

67927988 is a deficient number, since it is larger than the sum of its proper divisors (57938704).

67927988 is a wasteful number, since it uses less digits than its factorization.

67927988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998962 (or 998960 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 56.

The square root of 67927988 is about 8241.8437257691. The cubic root of 67927988 is about 408.0213768756.

The spelling of 67927988 in words is "sixty-seven million, nine hundred twenty-seven thousand, nine hundred eighty-eight".