67879413 has 24 divisors (see below), whose sum is σ = 114665408. Its totient is φ = 37884672.

The previous prime is 67879411. The next prime is 67879447. The reversal of 67879413 is 31497876.

It is not a de Polignac number, because 67879413 - 2¹ = 67879411 is a prime.

It is a super-2 number, since 2×67879413² = 9215229418449138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67879411) 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 23 ways as a sum of consecutive naturals, for example, 9820 + ... + 15237.

Almost surely, 2^67879413 is an apocalyptic number.

67879413 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

67879413 is a deficient number, since it is larger than the sum of its proper divisors (46785995).

67879413 is a wasteful number, since it uses less digits than its factorization.

67879413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25113 (or 25110 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 67879413 is about 8238.8963459920. The cubic root of 67879413 is about 407.9240955970.

The spelling of 67879413 in words is "sixty-seven million, eight hundred seventy-nine thousand, four hundred thirteen".