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74849017 = 735771777
BaseRepresentation
bin1000111011000…
…01101011111001
312012211201112211
410131201223321
5123130132032
611232135121
71566130465
oct435415371
9165751484
1074849017
11392831a1
12210974a1
1312678979
149d254a5
156887747
hex4761af9

74849017 has 8 divisors (see below), whose sum is σ = 76048616. Its totient is φ = 73654272.

The previous prime is 74849009. The next prime is 74849023. The reversal of 74849017 is 71094847.

It can be written as a sum of positive squares in 4 ways, for example, as 37100281 + 37748736 = 6091^2 + 6144^2 .

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 74849017 - 23 = 74849009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74849617) 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, 41233 + ... + 43009.

It is an arithmetic number, because the mean of its divisors is an integer number (9506077).

Almost surely, 274849017 is an apocalyptic number.

It is an amenable number.

74849017 is a deficient number, since it is larger than the sum of its proper divisors (1199599).

74849017 is a wasteful number, since it uses less digits than its factorization.

74849017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 74849017 is about 8651.5326387872. The cubic root of 74849017 is about 421.4331558905.

The spelling of 74849017 in words is "seventy-four million, eight hundred forty-nine thousand, seventeen".

Divisors: 1 73 577 1777 42121 129721 1025329 74849017