67754561 has 8 divisors (see below), whose sum is σ = 79931904. Its totient is φ = 56201760.

The previous prime is 67754507. The next prime is 67754567. The reversal of 67754561 is 16545776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67754561 - 2¹⁰ = 67753537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67754567) 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, 155900 + ... + 156333.

It is an arithmetic number, because the mean of its divisors is an integer number (9991488).

Almost surely, 2^67754561 is an apocalyptic number.

It is an amenable number.

67754561 is a deficient number, since it is larger than the sum of its proper divisors (12177343).

67754561 is a wasteful number, since it uses less digits than its factorization.

67754561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312271.

The product of its digits is 176400, while the sum is 41.

The square root of 67754561 is about 8231.3158729331. The cubic root of 67754561 is about 407.6738410427.

The spelling of 67754561 in words is "sixty-seven million, seven hundred fifty-four thousand, five hundred sixty-one".