67896645 has 32 divisors (see below), whose sum is σ = 110816640. Its totient is φ = 35493120.

The previous prime is 67896637. The next prime is 67896649. The reversal of 67896645 is 54669876.

It is not a de Polignac number, because 67896645 - 2³ = 67896637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67896649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214027 + ... + 214343.

It is an arithmetic number, because the mean of its divisors is an integer number (3463020).

Almost surely, 2^67896645 is an apocalyptic number.

It is an amenable number.

67896645 is a deficient number, since it is larger than the sum of its proper divisors (42919995).

67896645 is a wasteful number, since it uses less digits than its factorization.

67896645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its digits is 2177280, while the sum is 51.

The square root of 67896645 is about 8239.9420507671. The cubic root of 67896645 is about 407.9586114783.

The spelling of 67896645 in words is "sixty-seven million, eight hundred ninety-six thousand, six hundred forty-five".