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74740105 = 5112947997
BaseRepresentation
bin1000111010001…
…11000110001001
312012122012011001
410131013012021
5123113140410
611225535001
71565165116
oct435070611
9165565131
1074740105
1139209390
1221044461
131263b21b
149cd790d
15686533a
hex4747189

74740105 has 32 divisors (see below), whose sum is σ = 103472640. Its totient is φ = 51313920.

The previous prime is 74740097. The next prime is 74740117. The reversal of 74740105 is 50104747.

It is not a de Polignac number, because 74740105 - 23 = 74740097 is a prime.

It is a super-2 number, since 2×747401052 = 11172166590822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74467 + ... + 75463.

It is an arithmetic number, because the mean of its divisors is an integer number (3233520).

Almost surely, 274740105 is an apocalyptic number.

It is an amenable number.

74740105 is a deficient number, since it is larger than the sum of its proper divisors (28732535).

74740105 is a wasteful number, since it uses less digits than its factorization.

74740105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 74740105 is about 8645.2359713313. The cubic root of 74740105 is about 421.2286490483.

The spelling of 74740105 in words is "seventy-four million, seven hundred forty thousand, one hundred five".

Divisors: 1 5 11 29 47 55 145 235 319 517 997 1363 1595 2585 4985 6815 10967 14993 28913 46859 54835 74965 144565 234295 318043 515449 1358911 1590215 2577245 6794555 14948021 74740105