67580064 has 36 divisors (see below), whose sum is σ = 192181626. Its totient is φ = 22526592.

The previous prime is 67580053. The next prime is 67580077. The reversal of 67580064 is 46008576.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67568400 + 11664 = 8220^2 + 108^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117039 + ... + 117614.

Almost surely, 2^67580064 is an apocalyptic number.

It is an amenable number.

67580064 is an abundant number, since it is smaller than the sum of its proper divisors (124601562).

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

67580064 is a wasteful number, since it uses less digits than its factorization.

67580064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234669 (or 234658 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 67580064 is about 8220.7094584348. The cubic root of 67580064 is about 407.3235619428.

The spelling of 67580064 in words is "sixty-seven million, five hundred eighty thousand, sixty-four".