Search a number
-
+
74203705 = 514840741
BaseRepresentation
bin1000110110001…
…00001000111001
312011121221100101
410123010020321
5122444004310
611210235401
71560502222
oct433041071
9164557311
1074203705
1138982384
1220a25b61
13124b1024
149bd8249
1567ab43a
hex46c4239

74203705 has 4 divisors (see below), whose sum is σ = 89044452. Its totient is φ = 59362960.

The previous prime is 74203637. The next prime is 74203709. The reversal of 74203705 is 50730247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44129449 + 30074256 = 6643^2 + 5484^2 .

It is a de Polignac number, because none of the positive numbers 2k-74203705 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74203709) by changing a digit.

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, 7420366 + ... + 7420375.

It is an arithmetic number, because the mean of its divisors is an integer number (22261113).

Almost surely, 274203705 is an apocalyptic number.

It is an amenable number.

74203705 is a deficient number, since it is larger than the sum of its proper divisors (14840747).

74203705 is a wasteful number, since it uses less digits than its factorization.

74203705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14840746.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 74203705 is about 8614.1572425862. The cubic root of 74203705 is about 420.2185276249.

The spelling of 74203705 in words is "seventy-four million, two hundred three thousand, seven hundred five".

Divisors: 1 5 14840741 74203705