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67874341 = 163416407
BaseRepresentation
bin1000000101110…
…10111000100101
311201201101002111
410002322320211
5114333434331
610422441021
71452631243
oct402727045
9151641074
1067874341
1135349aa7
121a893171
13110a6142
14902b793
155e5adb1
hex40bae25

67874341 has 4 divisors (see below), whose sum is σ = 68290912. Its totient is φ = 67457772.

The previous prime is 67874299. The next prime is 67874347. The reversal of 67874341 is 14347876.

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 67874341 - 29 = 67873829 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67874294 and 67874303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67874347) 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, 208041 + ... + 208366.

It is an arithmetic number, because the mean of its divisors is an integer number (17072728).

Almost surely, 267874341 is an apocalyptic number.

It is an amenable number.

67874341 is a deficient number, since it is larger than the sum of its proper divisors (416571).

67874341 is a wasteful number, since it uses less digits than its factorization.

67874341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416570.

The product of its digits is 112896, while the sum is 40.

The square root of 67874341 is about 8238.5885320242. The cubic root of 67874341 is about 407.9139352138.

The spelling of 67874341 in words is "sixty-seven million, eight hundred seventy-four thousand, three hundred forty-one".

Divisors: 1 163 416407 67874341