67016404 has 24 divisors (see below), whose sum is σ = 144343808. Its totient is φ = 26511840.

The previous prime is 67016387. The next prime is 67016437. The reversal of 67016404 is 40461076.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91692 + ... + 92419.

Almost surely, 2^67016404 is an apocalyptic number.

It is an amenable number.

67016404 is an abundant number, since it is smaller than the sum of its proper divisors (77327404).

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

67016404 is a wasteful number, since it uses less digits than its factorization.

67016404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184135 (or 184133 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 67016404 is about 8186.3547443291. The cubic root of 67016404 is about 406.1879544218.

The spelling of 67016404 in words is "sixty-seven million, sixteen thousand, four hundred four".