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74002117 = 742125111
BaseRepresentation
bin1000110100100…
…10111011000101
312011020200211011
410122102323011
5122421031432
611202042221
71556002420
oct432227305
9164220734
1074002117
1138854982
1220949371
1312440347
149b849b7
15676b847
hex4692ec5

74002117 has 8 divisors (see below), whose sum is σ = 84778112. Its totient is φ = 63277200.

The previous prime is 74002091. The next prime is 74002121. The reversal of 74002117 is 71120047.

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

It is a de Polignac number, because none of the positive numbers 2k-74002117 is a prime.

It is a super-3 number, since 3×740021173 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74002127) by changing a digit.

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, 9609 + ... + 15502.

It is an arithmetic number, because the mean of its divisors is an integer number (10597264).

Almost surely, 274002117 is an apocalyptic number.

It is an amenable number.

74002117 is a deficient number, since it is larger than the sum of its proper divisors (10775995).

74002117 is a wasteful number, since it uses less digits than its factorization.

74002117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25539.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 74002117 is about 8602.4483142882. The cubic root of 74002117 is about 419.8376488914.

The spelling of 74002117 in words is "seventy-four million, two thousand, one hundred seventeen".

Divisors: 1 7 421 2947 25111 175777 10571731 74002117