67916484 has 18 divisors (see below), whose sum is σ = 171677870. Its totient is φ = 22638816.

The previous prime is 67916467. The next prime is 67916489. The reversal of 67916484 is 48461976.

It can be written as a sum of positive squares in only one way, i.e., 45562500 + 22353984 = 6750^2 + 4728^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×67916484² = 9225297597844512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67916489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 943249 + ... + 943320.

Almost surely, 2^67916484 is an apocalyptic number.

It is an amenable number.

67916484 is an abundant number, since it is smaller than the sum of its proper divisors (103761386).

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

67916484 is a wasteful number, since it uses less digits than its factorization.

67916484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886579 (or 1886574 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 67916484 is about 8241.1457941235. The cubic root of 67916484 is about 407.9983419771.

The spelling of 67916484 in words is "sixty-seven million, nine hundred sixteen thousand, four hundred eighty-four".