67652664 has 32 divisors (see below), whose sum is σ = 174589440. Its totient is φ = 21823200.

The previous prime is 67652659. The next prime is 67652699. The reversal of 67652664 is 46625676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44722 + ... + 46209.

It is an arithmetic number, because the mean of its divisors is an integer number (5455920).

Almost surely, 2^67652664 is an apocalyptic number.

It is an amenable number.

67652664 is an abundant number, since it is smaller than the sum of its proper divisors (106936776).

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

67652664 is a wasteful number, since it uses less digits than its factorization.

67652664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90971 (or 90967 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 67652664 is about 8225.1239504338. The cubic root of 67652664 is about 407.4693697729.

The spelling of 67652664 in words is "sixty-seven million, six hundred fifty-two thousand, six hundred sixty-four".