67400616 has 16 divisors (see below), whose sum is σ = 168501600. Its totient is φ = 22466864.

The previous prime is 67400587. The next prime is 67400621. The reversal of 67400616 is 61600476.

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, 1404156 + ... + 1404203.

It is an arithmetic number, because the mean of its divisors is an integer number (10531350).

Almost surely, 2^67400616 is an apocalyptic number.

It is an amenable number.

67400616 is an abundant number, since it is smaller than the sum of its proper divisors (101100984).

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

67400616 is a wasteful number, since it uses less digits than its factorization.

67400616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808368 (or 2808364 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 67400616 is about 8209.7878169902. The cubic root of 67400616 is about 406.9627149427.

The spelling of 67400616 in words is "sixty-seven million, four hundred thousand, six hundred sixteen".