67401461 has 4 divisors (see below), whose sum is σ = 67425900. Its totient is φ = 67377024.

The previous prime is 67401437. The next prime is 67401463. The reversal of 67401461 is 16410476.

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 48094225 + 19307236 = 6935^2 + 4394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67401461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67401463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7466 + ... + 13803.

It is an arithmetic number, because the mean of its divisors is an integer number (16856475).

Almost surely, 2^67401461 is an apocalyptic number.

It is an amenable number.

67401461 is a deficient number, since it is larger than the sum of its proper divisors (24439).

67401461 is a wasteful number, since it uses less digits than its factorization.

67401461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24438.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 67401461 is about 8209.8392797910. The cubic root of 67401461 is about 406.9644156297.

The spelling of 67401461 in words is "sixty-seven million, four hundred one thousand, four hundred sixty-one".