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74193472 = 261736701
BaseRepresentation
bin1000110110000…
…01101001000000
312011121102022101
410123001221000
5122443142342
611210120144
71560430333
oct433015100
9164542271
1074193472
1138975721
1220a20054
13124a9482
149bd461a
1567a83b7
hex46c1a40

74193472 has 28 divisors (see below), whose sum is σ = 148100796. Its totient is φ = 36876800.

The previous prime is 74193467. The next prime is 74193517. The reversal of 74193472 is 27439147.

It can be written as a sum of positive squares in 2 ways, for example, as 50922496 + 23270976 = 7136^2 + 4824^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 7722 + ... + 14422.

Almost surely, 274193472 is an apocalyptic number.

It is an amenable number.

74193472 is a deficient number, since it is larger than the sum of its proper divisors (73907324).

74193472 is a wasteful number, since it uses less digits than its factorization.

74193472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886 (or 6876 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 74193472 is about 8613.5632580251. The cubic root of 74193472 is about 420.1992101085.

The spelling of 74193472 in words is "seventy-four million, one hundred ninety-three thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 173 346 692 1384 2768 5536 6701 11072 13402 26804 53608 107216 214432 428864 1159273 2318546 4637092 9274184 18548368 37096736 74193472