67418461 has 4 divisors (see below), whose sum is σ = 73547424. Its totient is φ = 61289500.

The previous prime is 67418443. The next prime is 67418503. The reversal of 67418461 is 16481476.

It is a happy number.

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 67418461 - 2¹³ = 67410269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67418461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67418261) 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, 3064465 + ... + 3064486.

It is an arithmetic number, because the mean of its divisors is an integer number (18386856).

Almost surely, 2^67418461 is an apocalyptic number.

It is an amenable number.

67418461 is a deficient number, since it is larger than the sum of its proper divisors (6128963).

67418461 is a wasteful number, since it uses less digits than its factorization.

67418461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128962.

The product of its digits is 32256, while the sum is 37.

The square root of 67418461 is about 8210.8745575608. The cubic root of 67418461 is about 406.9986276156.

The spelling of 67418461 in words is "sixty-seven million, four hundred eighteen thousand, four hundred sixty-one".