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74022681 = 337666871
BaseRepresentation
bin1000110100101…
…11111100011001
312011021202000210
410122113330121
5122422211211
611202321333
71556116365
oct432277431
9164252023
1074022681
1138869377
1220959249
1312449805
149b8c2a5
1567729a6
hex4697f19

74022681 has 8 divisors (see below), whose sum is σ = 101364544. Its totient is φ = 48014640.

The previous prime is 74022679. The next prime is 74022713. The reversal of 74022681 is 18622047.

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

It is not a de Polignac number, because 74022681 - 21 = 74022679 is a prime.

It is a super-2 number, since 2×740226812 = 10958714604855522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74022601) 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, 333325 + ... + 333546.

It is an arithmetic number, because the mean of its divisors is an integer number (12670568).

Almost surely, 274022681 is an apocalyptic number.

It is an amenable number.

74022681 is a deficient number, since it is larger than the sum of its proper divisors (27341863).

74022681 is a wasteful number, since it uses less digits than its factorization.

74022681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666911.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 74022681 is about 8603.6434723901. The cubic root of 74022681 is about 419.8765340035.

The spelling of 74022681 in words is "seventy-four million, twenty-two thousand, six hundred eighty-one".

Divisors: 1 3 37 111 666871 2000613 24674227 74022681