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74130722 = 2181204781
BaseRepresentation
bin1000110101100…
…10010100100010
312011111020020022
410122302110202
5122434140342
611204513442
71560046361
oct432622442
9164436208
1074130722
1138932566
12209ab882
1312486a43
149bb97d8
1567949d2
hex46b2522

74130722 has 8 divisors (see below), whose sum is σ = 111810972. Its totient is φ = 36860400.

The previous prime is 74130713. The next prime is 74130733. The reversal of 74130722 is 22703147.

It can be written as a sum of positive squares in 2 ways, for example, as 69072721 + 5058001 = 8311^2 + 2249^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 74130691 and 74130700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102029 + ... + 102752.

Almost surely, 274130722 is an apocalyptic number.

74130722 is a deficient number, since it is larger than the sum of its proper divisors (37680250).

74130722 is a wasteful number, since it uses less digits than its factorization.

74130722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204964.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 74130722 is about 8609.9199763993. The cubic root of 74130722 is about 420.0807138906.

Adding to 74130722 its reverse (22703147), we get a palindrome (96833869).

The spelling of 74130722 in words is "seventy-four million, one hundred thirty thousand, seven hundred twenty-two".

Divisors: 1 2 181 362 204781 409562 37065361 74130722