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74666680734 = 2312444446789
BaseRepresentation
bin100010110001001111…
…0110010000110011110
321010201122112101100210
41011202132302012132
52210404132240414
654145034033250
75252211212562
oct1054236620636
9233648471323
1074666680734
1129736438408
1212579878826
13706c2106b9
14388470d6a2
151e20175e59
hex11627b219e

74666680734 has 8 divisors (see below), whose sum is σ = 149333361480. Its totient is φ = 24888893576.

The previous prime is 74666680717. The next prime is 74666680783. The reversal of 74666680734 is 43708666647.

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

74666680734 is an admirable number.

It is a super-2 number, since 2×746666807342 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 6222223389 + ... + 6222223400.

It is an arithmetic number, because the mean of its divisors is an integer number (18666670185).

Almost surely, 274666680734 is an apocalyptic number.

74666680734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74666680734 is a wasteful number, since it uses less digits than its factorization.

74666680734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12444446794.

The product of its (nonzero) digits is 24385536, while the sum is 57.

The spelling of 74666680734 in words is "seventy-four billion, six hundred sixty-six million, six hundred eighty thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 12444446789 24888893578 37333340367 74666680734