67965864 has 96 divisors (see below), whose sum is σ = 185673600. Its totient is φ = 20715520.

The previous prime is 67965853. The next prime is 67965883. The reversal of 67965864 is 46856976.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284257 + ... + 284495.

It is an arithmetic number, because the mean of its divisors is an integer number (1934100).

Almost surely, 2^67965864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67965864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92836800).

67965864 is an abundant number, since it is smaller than the sum of its proper divisors (117707736).

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

67965864 is a wasteful number, since it uses less digits than its factorization.

67965864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 302 counting only the distinct ones).

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

The square root of 67965864 is about 8244.1411923863. The cubic root of 67965864 is about 408.0971990644.

The spelling of 67965864 in words is "sixty-seven million, nine hundred sixty-five thousand, eight hundred sixty-four".