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74105087 = 722946229
BaseRepresentation
bin1000110101011…
…00000011111111
312011102221001212
410122230003333
5122432330322
611204155035
71556611550
oct432540377
9164387055
1074105087
1138915281
1220998a7b
1312478184
149bb0327
15678c0e2
hex46ac0ff

74105087 has 8 divisors (see below), whose sum is σ = 85063200. Its totient is φ = 63239904.

The previous prime is 74105051. The next prime is 74105113. The reversal of 74105087 is 78050147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74105087 - 216 = 74039551 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 (74105027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21512 + ... + 24717.

It is an arithmetic number, because the mean of its divisors is an integer number (10632900).

Almost surely, 274105087 is an apocalyptic number.

74105087 is a deficient number, since it is larger than the sum of its proper divisors (10958113).

74105087 is a wasteful number, since it uses less digits than its factorization.

74105087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46465.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 74105087 is about 8608.4311578824. The cubic root of 74105087 is about 420.0322858779.

The spelling of 74105087 in words is "seventy-four million, one hundred five thousand, eighty-seven".

Divisors: 1 7 229 1603 46229 323603 10586441 74105087