67012416 has 42 divisors (see below), whose sum is σ = 192080642. Its totient is φ = 22337280.

The previous prime is 67012399. The next prime is 67012469. The reversal of 67012416 is 61421076.

It can be written as a sum of positive squares in only one way, i.e., 62346816 + 4665600 = 7896^2 + 2160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67012416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57595 + ... + 58746.

Almost surely, 2^67012416 is an apocalyptic number.

It is an amenable number.

67012416 is an abundant number, since it is smaller than the sum of its proper divisors (125068226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67012416 is a wasteful number, since it uses less digits than its factorization.

67012416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116359 (or 116346 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 67012416 is about 8186.1111646495. Note that the first 4 decimals coincide. The cubic root of 67012416 is about 406.1798971423.

The spelling of 67012416 in words is "sixty-seven million, twelve thousand, four hundred sixteen".