67241564 has 24 divisors (see below), whose sum is σ = 128040528. Its totient is φ = 30712320.

The previous prime is 67241563. The next prime is 67241567. The reversal of 67241564 is 46514276.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67241563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622 + ... + 11709.

It is an arithmetic number, because the mean of its divisors is an integer number (5335022).

Almost surely, 2^67241564 is an apocalyptic number.

It is an amenable number.

67241564 is a deficient number, since it is larger than the sum of its proper divisors (60798964).

67241564 is a wasteful number, since it uses less digits than its factorization.

67241564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445 (or 13443 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 67241564 is about 8200.0953652991. The cubic root of 67241564 is about 406.6423458835.

The spelling of 67241564 in words is "sixty-seven million, two hundred forty-one thousand, five hundred sixty-four".