67070413 has 4 divisors (see below), whose sum is σ = 67520700. Its totient is φ = 66620128.

The previous prime is 67070357. The next prime is 67070431. The reversal of 67070413 is 31407076.

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 5322249 + 61748164 = 2307^2 + 7858^2 .

It is a cyclic number.

It is not a de Polignac number, because 67070413 - 2¹³ = 67062221 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 (67070473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224920 + ... + 225217.

It is an arithmetic number, because the mean of its divisors is an integer number (16880175).

Almost surely, 2^67070413 is an apocalyptic number.

It is an amenable number.

67070413 is a deficient number, since it is larger than the sum of its proper divisors (450287).

67070413 is a wasteful number, since it uses less digits than its factorization.

67070413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450286.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 67070413 is about 8189.6528009434. The cubic root of 67070413 is about 406.2970417163.

Adding to 67070413 its reverse (31407076), we get a palindrome (98477489).

The spelling of 67070413 in words is "sixty-seven million, seventy thousand, four hundred thirteen".