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74943305 = 530748823
BaseRepresentation
bin1000111011110…
…00101101001001
312020000111212222
410131320231021
5123141141210
611234143425
71600002413
oct435705511
9166014788
1074943305
1139338018
1221121b75
13126ac868
149d4b9b3
1568a5655
hex4778b49

74943305 has 8 divisors (see below), whose sum is σ = 90226752. Its totient is φ = 59758128.

The previous prime is 74943289. The next prime is 74943307. The reversal of 74943305 is 50334947.

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

It is a cyclic number.

It is not a de Polignac number, because 74943305 - 24 = 74943289 is a prime.

It is a super-3 number, since 3×749433053 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74943307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22877 + ... + 25946.

It is an arithmetic number, because the mean of its divisors is an integer number (11278344).

Almost surely, 274943305 is an apocalyptic number.

It is an amenable number.

74943305 is a deficient number, since it is larger than the sum of its proper divisors (15283447).

74943305 is a wasteful number, since it uses less digits than its factorization.

74943305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49135.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 74943305 is about 8656.9801316625. The cubic root of 74943305 is about 421.6100427193.

The spelling of 74943305 in words is "seventy-four million, nine hundred forty-three thousand, three hundred five".

Divisors: 1 5 307 1535 48823 244115 14988661 74943305