67665714 has 16 divisors (see below), whose sum is σ = 137550720. Its totient is φ = 22185360.

The previous prime is 67665709. The next prime is 67665733. The reversal of 67665714 is 41756676.

It is a super-2 number, since 2×67665714² = 9157297702259592, which contains 22 as substring.

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, 92074 + ... + 92805.

It is an arithmetic number, because the mean of its divisors is an integer number (8596920).

Almost surely, 2^67665714 is an apocalyptic number.

67665714 is an abundant number, since it is smaller than the sum of its proper divisors (69885006).

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

67665714 is a wasteful number, since it uses less digits than its factorization.

67665714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184945.

The product of its digits is 211680, while the sum is 42.

The square root of 67665714 is about 8225.9172132960. The cubic root of 67665714 is about 407.4955679697.

The spelling of 67665714 in words is "sixty-seven million, six hundred sixty-five thousand, seven hundred fourteen".