67829481 has 30 divisors (see below), whose sum is σ = 103531230. Its totient is φ = 44250624.

The previous prime is 67829477. The next prime is 67829491. The reversal of 67829481 is 18492876.

It can be written as a sum of positive squares in 3 ways, for example, as 2073600 + 65755881 = 1440^2 + 8109^2 .

It is not a de Polignac number, because 67829481 - 2² = 67829477 is a prime.

It is a super-2 number, since 2×67829481² = 9201676985458722, which contains 22 as substring.

Its product of digits (193536) is a multiple of the sum of its prime divisors (189).

It is not an unprimeable number, because it can be changed into a prime (67829431) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 699225 + ... + 699321.

It is an arithmetic number, because the mean of its divisors is an integer number (3451041).

Almost surely, 2^67829481 is an apocalyptic number.

It is an amenable number.

67829481 is a deficient number, since it is larger than the sum of its proper divisors (35701749).

67829481 is an frugal number, since it uses more digits than its factorization.

67829481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 189 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 67829481 is about 8235.8655282854. The cubic root of 67829481 is about 407.8240482659.

The spelling of 67829481 in words is "sixty-seven million, eight hundred twenty-nine thousand, four hundred eighty-one".