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74063873 = 135697221
BaseRepresentation
bin1000110101000…
…10000000000001
312011100211112102
410122202000001
5122430020443
611203240145
71556350442
oct432420001
9164324472
1074063873
1138897314
1220979055
13124624a0
149b9d2c9
15677ecb8
hex46a2001

74063873 has 4 divisors (see below), whose sum is σ = 79761108. Its totient is φ = 68366640.

The previous prime is 74063833. The next prime is 74063893. The reversal of 74063873 is 37836047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37836047 = 38039949.

It can be written as a sum of positive squares in 2 ways, for example, as 49392784 + 24671089 = 7028^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 74063873 - 26 = 74063809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74063813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848598 + ... + 2848623.

It is an arithmetic number, because the mean of its divisors is an integer number (19940277).

Almost surely, 274063873 is an apocalyptic number.

It is an amenable number.

74063873 is a deficient number, since it is larger than the sum of its proper divisors (5697235).

74063873 is a wasteful number, since it uses less digits than its factorization.

74063873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697234.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 74063873 is about 8606.0370089839. The cubic root of 74063873 is about 419.9544035913.

The spelling of 74063873 in words is "seventy-four million, sixty-three thousand, eight hundred seventy-three".

Divisors: 1 13 5697221 74063873