67040061 has 32 divisors (see below), whose sum is σ = 104727168. Its totient is φ = 37693440.

The previous prime is 67040059. The next prime is 67040069. The reversal of 67040061 is 16004076.

It is not a de Polignac number, because 67040061 - 2¹ = 67040059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67040069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40135 + ... + 41771.

It is an arithmetic number, because the mean of its divisors is an integer number (3272724).

Almost surely, 2^67040061 is an apocalyptic number.

It is an amenable number.

67040061 is a deficient number, since it is larger than the sum of its proper divisors (37687107).

67040061 is a wasteful number, since it uses less digits than its factorization.

67040061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 67040061 is about 8187.7995212389. The cubic root of 67040061 is about 406.2357440047.

The spelling of 67040061 in words is "sixty-seven million, forty thousand, sixty-one".