67461049 has 4 divisors (see below), whose sum is σ = 71429364. Its totient is φ = 63492736.

The previous prime is 67461041. The next prime is 67461061. The reversal of 67461049 is 94016476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60171049 + 7290000 = 7757^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 67461049 - 2³ = 67461041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67460999 and 67461017.

It is not an unprimeable number, because it can be changed into a prime (67461041) 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, 1984132 + ... + 1984165.

It is an arithmetic number, because the mean of its divisors is an integer number (17857341).

Almost surely, 2^67461049 is an apocalyptic number.

It is an amenable number.

67461049 is a deficient number, since it is larger than the sum of its proper divisors (3968315).

67461049 is a wasteful number, since it uses less digits than its factorization.

67461049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968314.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 67461049 is about 8213.4675381352. The cubic root of 67461049 is about 407.0843094343.

The spelling of 67461049 in words is "sixty-seven million, four hundred sixty-one thousand, forty-nine".