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74006670478 = 21310192793337
BaseRepresentation
bin100010011101100100…
…1000010110010001110
321002000122121101111111
41010323021002302032
52203031201423403
653555335442234
75226645214456
oct1047311026216
9232018541444
1074006670478
1129427921994
121241482637a
136c955632a0
143820bc4d66
151dd225256d
hex113b242c8e

74006670478 has 16 divisors (see below), whose sum is σ = 119666599920. Its totient is φ = 34123392576.

The previous prime is 74006670467. The next prime is 74006670533. The reversal of 74006670478 is 87407660047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370175 + ... + 1423162.

It is an arithmetic number, because the mean of its divisors is an integer number (7479162495).

Almost surely, 274006670478 is an apocalyptic number.

74006670478 is a deficient number, since it is larger than the sum of its proper divisors (45659929442).

74006670478 is a wasteful number, since it uses less digits than its factorization.

74006670478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794371.

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 74006670478 in words is "seventy-four billion, six million, six hundred seventy thousand, four hundred seventy-eight".

Divisors: 1 2 13 26 1019 2038 13247 26494 2793337 5586674 36313381 72626762 2846410403 5692820806 37003335239 74006670478