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74061670 = 2553139739
BaseRepresentation
bin1000110101000…
…01011101100110
312011100201111211
410122201131212
5122424433140
611203222034
71556341144
oct432413546
9164321454
1074061670
11388956a1
122097791a
1312461497
149b9c594
15677e2ea
hex46a1766

74061670 has 16 divisors (see below), whose sum is σ = 135827280. Its totient is φ = 29065504.

The previous prime is 74061667. The next prime is 74061709. The reversal of 74061670 is 7616047.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69340 + ... + 70399.

It is an arithmetic number, because the mean of its divisors is an integer number (8489205).

Almost surely, 274061670 is an apocalyptic number.

74061670 is a deficient number, since it is larger than the sum of its proper divisors (61765610).

74061670 is a wasteful number, since it uses less digits than its factorization.

74061670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139799.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 74061670 is about 8605.9090164840. The cubic root of 74061670 is about 419.9502397586.

The spelling of 74061670 in words is "seventy-four million, sixty-one thousand, six hundred seventy".

Divisors: 1 2 5 10 53 106 265 530 139739 279478 698695 1397390 7406167 14812334 37030835 74061670