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74213041 = 717738543
BaseRepresentation
bin1000110110001…
…10011010110001
312011122102011011
410123012122301
5122444304131
611210350521
71560541360
oct433063261
9164572134
1074213041
11389893a1
1220a2b441
13124b5356
149bdb7d7
1567ae0b1
hex46c66b1

74213041 has 16 divisors (see below), whose sum is σ = 91044864. Its totient is φ = 59042304.

The previous prime is 74213033. The next prime is 74213053. The reversal of 74213041 is 14031247.

It is a cyclic number.

It is not a de Polignac number, because 74213041 - 23 = 74213033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74213011) 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 15 ways as a sum of consecutive naturals, for example, 4416 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (5690304).

Almost surely, 274213041 is an apocalyptic number.

It is an amenable number.

74213041 is a deficient number, since it is larger than the sum of its proper divisors (16831823).

74213041 is a wasteful number, since it uses less digits than its factorization.

74213041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 74213041 is about 8614.6991241714. The cubic root of 74213041 is about 420.2361502655.

Adding to 74213041 its reverse (14031247), we get a palindrome (88244288).

The spelling of 74213041 in words is "seventy-four million, two hundred thirteen thousand, forty-one".

Divisors: 1 7 17 73 119 511 1241 8543 8687 59801 145231 623639 1016617 4365473 10601863 74213041