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74944866 = 2373397431
BaseRepresentation
bin1000111011110…
…01000101100010
312020000121000210
410131321011202
5123141213431
611234154550
71600010103
oct435710542
9166017023
1074944866
1139339207
1221122a56
13126b0499
149d4c3aa
1568a5d46
hex4779162

74944866 has 32 divisors (see below), whose sum is σ = 152679168. Its totient is φ = 24520320.

The previous prime is 74944861. The next prime is 74944889. The reversal of 74944866 is 66844947.

It is not an unprimeable number, because it can be changed into a prime (74944861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173671 + ... + 174101.

It is an arithmetic number, because the mean of its divisors is an integer number (4771224).

Almost surely, 274944866 is an apocalyptic number.

74944866 is an abundant number, since it is smaller than the sum of its proper divisors (77734302).

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

74944866 is a wasteful number, since it uses less digits than its factorization.

74944866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 1161216, while the sum is 48.

The square root of 74944866 is about 8657.0702896534. The cubic root of 74944866 is about 421.6129699486.

The spelling of 74944866 in words is "seventy-four million, nine hundred forty-four thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 73 146 219 397 431 438 794 862 1191 1293 2382 2586 28981 31463 57962 62926 86943 94389 171107 173886 188778 342214 513321 1026642 12490811 24981622 37472433 74944866