67670489 has 16 divisors (see below), whose sum is σ = 75018240. Its totient is φ = 60756480.

The previous prime is 67670479. The next prime is 67670497. The reversal of 67670489 is 98407676.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 67670489 - 2⁸ = 67670233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67670429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37592 + ... + 39350.

It is an arithmetic number, because the mean of its divisors is an integer number (4688640).

Almost surely, 2^67670489 is an apocalyptic number.

It is an amenable number.

67670489 is a deficient number, since it is larger than the sum of its proper divisors (7347751).

67670489 is a wasteful number, since it uses less digits than its factorization.

67670489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 67670489 is about 8226.2074493657. The cubic root of 67670489 is about 407.5051530582.

The spelling of 67670489 in words is "sixty-seven million, six hundred seventy thousand, four hundred eighty-nine".