Search a number
-
+
74675489 = 710667927
BaseRepresentation
bin1000111001101…
…11010100100001
312012111220111212
410130313110201
5123104103424
611224315505
71564505540
oct434672441
9165456455
1074675489
1139174889
1221012b95
13126179a5
149cbc157
15685110e
hex4737521

74675489 has 4 divisors (see below), whose sum is σ = 85343424. Its totient is φ = 64007556.

The previous prime is 74675479. The next prime is 74675501. The reversal of 74675489 is 98457647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74675489 - 212 = 74671393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74675429) 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 3 ways as a sum of consecutive naturals, for example, 5333957 + ... + 5333970.

It is an arithmetic number, because the mean of its divisors is an integer number (21335856).

Almost surely, 274675489 is an apocalyptic number.

It is an amenable number.

74675489 is a deficient number, since it is larger than the sum of its proper divisors (10667935).

74675489 is a wasteful number, since it uses less digits than its factorization.

74675489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667934.

The product of its digits is 1693440, while the sum is 50.

The square root of 74675489 is about 8641.4980761440. The cubic root of 74675489 is about 421.1072240209.

The spelling of 74675489 in words is "seventy-four million, six hundred seventy-five thousand, four hundred eighty-nine".

Divisors: 1 7 10667927 74675489