42696864 has 72 divisors (see below), whose sum is σ = 138771360. Its totient is φ = 12198528.

The previous prime is 42696859. The next prime is 42696881. The reversal of 42696864 is 46869624.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8574 + ... + 12605.

It is an arithmetic number, because the mean of its divisors is an integer number (1927380).

Almost surely, 2^42696864 is an apocalyptic number.

It is an amenable number.

42696864 is an abundant number, since it is smaller than the sum of its proper divisors (96074496).

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

42696864 is a wasteful number, since it uses less digits than its factorization.

42696864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21202 (or 21191 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 42696864 is about 6534.2837403957. The cubic root of 42696864 is about 349.5146033305.

The spelling of 42696864 in words is "forty-two million, six hundred ninety-six thousand, eight hundred sixty-four".