67464016 has 10 divisors (see below), whose sum is σ = 130711562. Its totient is φ = 33732000.

The previous prime is 67464013. The next prime is 67464017. The reversal of 67464016 is 61046476.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51782416 + 15681600 = 7196^2 + 3960^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67464011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108235 + ... + 2108266.

Almost surely, 2^67464016 is an apocalyptic number.

It is an amenable number.

67464016 is a deficient number, since it is larger than the sum of its proper divisors (63247546).

67464016 is a wasteful number, since it uses less digits than its factorization.

67464016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216509 (or 4216503 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 67464016 is about 8213.6481541395. The cubic root of 67464016 is about 407.0902773296.

The spelling of 67464016 in words is "sixty-seven million, four hundred sixty-four thousand, sixteen".