67290216 has 64 divisors (see below), whose sum is σ = 203575680. Its totient is φ = 18094080.

The previous prime is 67290173. The next prime is 67290241. The reversal of 67290216 is 61209276.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8925 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (3180870).

Almost surely, 2^67290216 is an apocalyptic number.

It is an amenable number.

67290216 is an abundant number, since it is smaller than the sum of its proper divisors (136285464).

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

67290216 is a wasteful number, since it uses less digits than its factorization.

67290216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23594 (or 23590 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 67290216 is about 8203.0613797533. The cubic root of 67290216 is about 406.7403963186.

The spelling of 67290216 in words is "sixty-seven million, two hundred ninety thousand, two hundred sixteen".