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74227005 = 3251649489
BaseRepresentation
bin1000110110010…
…01110100111101
312011200010022100
410123021310331
5123000231010
611210535313
71560630156
oct433116475
9164603270
1074227005
1138998936
1220a37539
13124bb808
149c0292d
1567b32c0
hex46c9d3d

74227005 has 12 divisors (see below), whose sum is σ = 128660220. Its totient is φ = 39587712.

The previous prime is 74226967. The next prime is 74227007. The reversal of 74227005 is 50072247.

It can be written as a sum of positive squares in 2 ways, for example, as 31337604 + 42889401 = 5598^2 + 6549^2 .

It is not a de Polignac number, because 74227005 - 26 = 74226941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74227005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74227007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824700 + ... + 824789.

It is an arithmetic number, because the mean of its divisors is an integer number (10721685).

Almost surely, 274227005 is an apocalyptic number.

It is an amenable number.

74227005 is a deficient number, since it is larger than the sum of its proper divisors (54433215).

74227005 is a wasteful number, since it uses less digits than its factorization.

74227005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649500 (or 1649497 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 74227005 is about 8615.5095612506. The cubic root of 74227005 is about 420.2625059639.

The spelling of 74227005 in words is "seventy-four million, two hundred twenty-seven thousand, five".

Divisors: 1 3 5 9 15 45 1649489 4948467 8247445 14845401 24742335 74227005