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74949693 = 3713293937
BaseRepresentation
bin1000111011110…
…10010000111101
312020000211122120
410131322100331
5123141342233
611234233153
71600030140
oct435722075
9166024576
1074949693
11393418a5
12211257b9
13126b2740
149d50057
1568a74b3
hex477a43d

74949693 has 32 divisors (see below), whose sum is σ = 123545856. Its totient is φ = 39356928.

The previous prime is 74949691. The next prime is 74949697. The reversal of 74949693 is 39694947.

It is not a de Polignac number, because 74949693 - 21 = 74949691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74949691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79521 + ... + 80457.

It is an arithmetic number, because the mean of its divisors is an integer number (3860808).

Almost surely, 274949693 is an apocalyptic number.

It is an amenable number.

74949693 is a deficient number, since it is larger than the sum of its proper divisors (48596163).

74949693 is a wasteful number, since it uses less digits than its factorization.

74949693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its digits is 1469664, while the sum is 51.

The square root of 74949693 is about 8657.3490746302. The cubic root of 74949693 is about 421.6220214119.

The spelling of 74949693 in words is "seventy-four million, nine hundred forty-nine thousand, six hundred ninety-three".

Divisors: 1 3 7 13 21 39 91 273 293 879 937 2051 2811 3809 6153 6559 11427 12181 19677 26663 36543 79989 85267 255801 274541 823623 1921787 3569033 5765361 10707099 24983231 74949693