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67422469 = 199736583
BaseRepresentation
bin1000000010011…
…00100100000101
311200212102020111
410001030210011
5114230004334
610405033021
71446036652
oct401144405
9150772214
1067422469
1135070554
121a6b5771
1310c7856a
148d50c29
155dbc064
hex404c905

67422469 has 8 divisors (see below), whose sum is σ = 71704640. Its totient is φ = 63213696.

The previous prime is 67422463. The next prime is 67422479. The reversal of 67422469 is 96422476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67422469 - 25 = 67422437 is a prime.

It is a super-2 number, since 2×674224692 = 9091578652111922, 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 (67422463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16449 + ... + 20134.

It is an arithmetic number, because the mean of its divisors is an integer number (8963080).

Almost surely, 267422469 is an apocalyptic number.

It is an amenable number.

67422469 is a deficient number, since it is larger than the sum of its proper divisors (4282171).

67422469 is a wasteful number, since it uses less digits than its factorization.

67422469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36699.

The product of its digits is 145152, while the sum is 40.

The square root of 67422469 is about 8211.1186205048. The cubic root of 67422469 is about 407.0066927566.

The spelling of 67422469 in words is "sixty-seven million, four hundred twenty-two thousand, four hundred sixty-nine".

Divisors: 1 19 97 1843 36583 695077 3548551 67422469