67471013 has 4 divisors (see below), whose sum is σ = 67497888. Its totient is φ = 67444140.

The previous prime is 67470971. The next prime is 67471031. The reversal of 67471013 is 31017476.

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 67471013 - 2⁸ = 67470757 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 (67471093) 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, 9233 + ... + 14838.

It is an arithmetic number, because the mean of its divisors is an integer number (16874472).

Almost surely, 2^67471013 is an apocalyptic number.

It is an amenable number.

67471013 is a deficient number, since it is larger than the sum of its proper divisors (26875).

67471013 is a wasteful number, since it uses less digits than its factorization.

67471013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26874.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 67471013 is about 8214.0740805035. The cubic root of 67471013 is about 407.1043505713.

Adding to 67471013 its reverse (31017476), we get a palindrome (98488489).

The spelling of 67471013 in words is "sixty-seven million, four hundred seventy-one thousand, thirteen".