67291916 has 18 divisors (see below), whose sum is σ = 125097588. Its totient is φ = 31666240.

The previous prime is 67291891. The next prime is 67291981. The reversal of 67291916 is 61919276.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27950 + ... + 30261.

It is an arithmetic number, because the mean of its divisors is an integer number (6949866).

Almost surely, 2^67291916 is an apocalyptic number.

It is an amenable number.

67291916 is a deficient number, since it is larger than the sum of its proper divisors (57805672).

67291916 is a wasteful number, since it uses less digits than its factorization.

67291916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58249 (or 58230 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 67291916 is about 8203.1649989501. The cubic root of 67291916 is about 406.7438215459.

The spelling of 67291916 in words is "sixty-seven million, two hundred ninety-one thousand, nine hundred sixteen".