67616072 has 16 divisors (see below), whose sum is σ = 134238060. Its totient is φ = 31819264.

The previous prime is 67616071. The next prime is 67616077. The reversal of 67616072 is 27061676.

It can be written as a sum of positive squares in 2 ways, for example, as 55741156 + 11874916 = 7466^2 + 3446^2 .

It is not an unprimeable number, because it can be changed into a prime (67616071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248453 + ... + 248724.

Almost surely, 2^67616072 is an apocalyptic number.

It is an amenable number.

67616072 is a deficient number, since it is larger than the sum of its proper divisors (66621988).

67616072 is a wasteful number, since it uses less digits than its factorization.

67616072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497200 (or 497196 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 67616072 is about 8222.8992454000. The cubic root of 67616072 is about 407.3958924585.

The spelling of 67616072 in words is "sixty-seven million, six hundred sixteen thousand, seventy-two".