67694664 has 32 divisors (see below), whose sum is σ = 172840320. Its totient is φ = 22084416.

The previous prime is 67694647. The next prime is 67694677. The reversal of 67694664 is 46649676.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28879 + ... + 31134.

It is an arithmetic number, because the mean of its divisors is an integer number (5401260).

Almost surely, 2^67694664 is an apocalyptic number.

It is an amenable number.

67694664 is an abundant number, since it is smaller than the sum of its proper divisors (105145656).

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

67694664 is a wasteful number, since it uses less digits than its factorization.

67694664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60069 (or 60065 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 67694664 is about 8227.6767073093. The cubic root of 67694664 is about 407.5536737862.

The spelling of 67694664 in words is "sixty-seven million, six hundred ninety-four thousand, six hundred sixty-four".