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74127001 = 1313741621
BaseRepresentation
bin1000110101100…
…01011010011001
312011111001010111
410122301122121
5122434031001
611204444321
71560032464
oct432613231
9164431114
1074127001
113892a793
12209a96a1
1312485140
149bb82db
156793851
hex46b1699

74127001 has 8 divisors (see below), whose sum is σ = 80413704. Its totient is φ = 67923840.

The previous prime is 74126993. The next prime is 74127041. The reversal of 74127001 is 10072147.

It can be written as a sum of positive squares in 4 ways, for example, as 2893401 + 71233600 = 1701^2 + 8440^2 .

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 74127001 - 23 = 74126993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74127041) 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 7 ways as a sum of consecutive naturals, for example, 19030 + ... + 22591.

It is an arithmetic number, because the mean of its divisors is an integer number (10051713).

Almost surely, 274127001 is an apocalyptic number.

It is an amenable number.

74127001 is a deficient number, since it is larger than the sum of its proper divisors (6286703).

74127001 is a wasteful number, since it uses less digits than its factorization.

74127001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41771.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 74127001 is about 8609.7038857327. The cubic root of 74127001 is about 420.0736851066.

Adding to 74127001 its reverse (10072147), we get a palindrome (84199148).

The spelling of 74127001 in words is "seventy-four million, one hundred twenty-seven thousand, one".

Divisors: 1 13 137 1781 41621 541073 5702077 74127001