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67803741 = 327533749
BaseRepresentation
bin1000000101010…
…01101001011101
311201120210020200
410002221221131
5114324204431
610421134113
71452215355
oct402515135
9151523220
1067803741
1135300a55
121a85a339
131107cc75
14900db65
155e44ee6
hex40a9a5d

67803741 has 6 divisors (see below), whose sum is σ = 97938750. Its totient is φ = 45202488.

The previous prime is 67803739. The next prime is 67803763. The reversal of 67803741 is 14730876.

It can be written as a sum of positive squares in only one way, i.e., 46376100 + 21427641 = 6810^2 + 4629^2 .

It is not a de Polignac number, because 67803741 - 21 = 67803739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67803696 and 67803705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67803731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3766866 + ... + 3766883.

It is an arithmetic number, because the mean of its divisors is an integer number (16323125).

Almost surely, 267803741 is an apocalyptic number.

It is an amenable number.

67803741 is a deficient number, since it is larger than the sum of its proper divisors (30135009).

67803741 is a wasteful number, since it uses less digits than its factorization.

67803741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533755 (or 7533752 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 67803741 is about 8234.3027027187. The cubic root of 67803741 is about 407.7724545784.

The spelling of 67803741 in words is "sixty-seven million, eight hundred three thousand, seven hundred forty-one".

Divisors: 1 3 9 7533749 22601247 67803741