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67730604 = 2235644217
BaseRepresentation
bin1000000100101…
…11110010101100
311201110001220220
410002113302230
5114314334404
610415411340
71451462214
oct402276254
9151401826
1067730604
1135261007
121a823b50
13110558a6
148dd1244
155e2d4d9
hex4097cac

67730604 has 12 divisors (see below), whose sum is σ = 158038104. Its totient is φ = 22576864.

The previous prime is 67730591. The next prime is 67730617. The reversal of 67730604 is 40603776.

It is an interprime number because it is at equal distance from previous prime (67730591) and next prime (67730617).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822097 + ... + 2822120.

It is an arithmetic number, because the mean of its divisors is an integer number (13169842).

Almost surely, 267730604 is an apocalyptic number.

It is an amenable number.

67730604 is an abundant number, since it is smaller than the sum of its proper divisors (90307500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67730604 is a wasteful number, since it uses less digits than its factorization.

67730604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644224 (or 5644222 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 67730604 is about 8229.8605091459. The cubic root of 67730604 is about 407.6257862529.

The spelling of 67730604 in words is "sixty-seven million, seven hundred thirty thousand, six hundred four".

Divisors: 1 2 3 4 6 12 5644217 11288434 16932651 22576868 33865302 67730604