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74127007 = 93779111
BaseRepresentation
bin1000110101100…
…01011010011111
312011111001010201
410122301122133
5122434031012
611204444331
71560032503
oct432613237
9164431121
1074127007
113892a799
12209a96a7
1312485146
149bb8303
156793857
hex46b169f

74127007 has 4 divisors (see below), whose sum is σ = 74207056. Its totient is φ = 74046960.

The previous prime is 74126993. The next prime is 74127041. The reversal of 74127007 is 70072147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70072147 = 174121891.

It is a cyclic number.

It is not a de Polignac number, because 74127007 - 27 = 74126879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74127307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38619 + ... + 40492.

It is an arithmetic number, because the mean of its divisors is an integer number (18551764).

Almost surely, 274127007 is an apocalyptic number.

74127007 is a deficient number, since it is larger than the sum of its proper divisors (80049).

74127007 is an equidigital number, since it uses as much as digits as its factorization.

74127007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80048.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 74127007 is about 8609.7042341767. The cubic root of 74127007 is about 420.0736964405.

The spelling of 74127007 in words is "seventy-four million, one hundred twenty-seven thousand, seven".

Divisors: 1 937 79111 74127007