67442002764 has 12 divisors (see below), whose sum is σ = 157364673144. Its totient is φ = 22480667584.

The previous prime is 67442002753. The next prime is 67442002811. The reversal of 67442002764 is 46720024476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2810083437 + ... + 2810083460.

It is an arithmetic number, because the mean of its divisors is an integer number (13113722762).

Almost surely, 2^67442002764 is an apocalyptic number.

It is an amenable number.

67442002764 is an abundant number, since it is smaller than the sum of its proper divisors (89922670380).

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

67442002764 is a wasteful number, since it uses less digits than its factorization.

67442002764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620166904 (or 5620166902 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 67442002764 in words is "sixty-seven billion, four hundred forty-two million, two thousand, seven hundred sixty-four".