Search a number
-
+
74700427 is a prime number
BaseRepresentation
bin1000111001111…
…01011010001011
312012120011201111
410130331122023
5123110403202
611225031151
71564641334
oct434753213
9165504644
1074700427
113919159a
12210254b7
1312626149
149cc728b
1568586d7
hex473d68b

74700427 has 2 divisors, whose sum is σ = 74700428. Its totient is φ = 74700426.

The previous prime is 74700403. The next prime is 74700463. The reversal of 74700427 is 72400747.

It is a weak prime.

It is an emirp because it is prime and its reverse (72400747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74700427 - 219 = 74176139 is a prime.

It is not a weakly prime, because it can be changed into another prime (74700467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37350213 + 37350214.

It is an arithmetic number, because the mean of its divisors is an integer number (37350214).

Almost surely, 274700427 is an apocalyptic number.

74700427 is a deficient number, since it is larger than the sum of its proper divisors (1).

74700427 is an equidigital number, since it uses as much as digits as its factorization.

74700427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 74700427 is about 8642.9408768081. The cubic root of 74700427 is about 421.1540952826.

The spelling of 74700427 in words is "seventy-four million, seven hundred thousand, four hundred twenty-seven".