67241405 has 16 divisors (see below), whose sum is σ = 100600704. Its totient is φ = 41916480.

The previous prime is 67241347. The next prime is 67241407. The reversal of 67241405 is 50414276.

It is not a de Polignac number, because 67241405 - 2¹² = 67237309 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 (67241407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86942 + ... + 87711.

It is an arithmetic number, because the mean of its divisors is an integer number (6287544).

Almost surely, 2^67241405 is an apocalyptic number.

It is an amenable number.

67241405 is a deficient number, since it is larger than the sum of its proper divisors (33359299).

67241405 is a wasteful number, since it uses less digits than its factorization.

67241405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174676.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 67241405 is about 8200.0856702842. The cubic root of 67241405 is about 406.6420253665.

The spelling of 67241405 in words is "sixty-seven million, two hundred forty-one thousand, four hundred five".