67431013 has 8 divisors (see below), whose sum is σ = 73101056. Its totient is φ = 61830000.

The previous prime is 67430971. The next prime is 67431059. The reversal of 67431013 is 31013476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67431013 - 2²¹ = 65333861 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 (67431083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15213 + ... + 19138.

It is an arithmetic number, because the mean of its divisors is an integer number (9137632).

Almost surely, 2^67431013 is an apocalyptic number.

It is an amenable number.

67431013 is a deficient number, since it is larger than the sum of its proper divisors (5670043).

67431013 is a wasteful number, since it uses less digits than its factorization.

67431013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34515.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 67431013 is about 8211.6388741834. The cubic root of 67431013 is about 407.0238844453.

Adding to 67431013 its reverse (31013476), we get a palindrome (98444489).

The spelling of 67431013 in words is "sixty-seven million, four hundred thirty-one thousand, thirteen".