67407061 has 4 divisors (see below), whose sum is σ = 67424032. Its totient is φ = 67390092.

The previous prime is 67407059. The next prime is 67407083. The reversal of 67407061 is 16070476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67407061 - 2¹ = 67407059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67407001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030 + ... + 11656.

It is an arithmetic number, because the mean of its divisors is an integer number (16856008).

Almost surely, 2^67407061 is an apocalyptic number.

It is an amenable number.

67407061 is a deficient number, since it is larger than the sum of its proper divisors (16971).

67407061 is a wasteful number, since it uses less digits than its factorization.

67407061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16970.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 67407061 is about 8210.1803268869. The cubic root of 67407061 is about 406.9756860957.

The spelling of 67407061 in words is "sixty-seven million, four hundred seven thousand, sixty-one".