Search a number
-
+
74691941 = 464316087
BaseRepresentation
bin1000111001110…
…11010101100101
312012112202002012
410130323111211
5123110120231
611224524005
71564604522
oct434732545
9165482065
1074691941
1139186185
1221020605
131262231c
149cc4149
156855e2b
hex473b565

74691941 has 4 divisors (see below), whose sum is σ = 74712672. Its totient is φ = 74671212.

The previous prime is 74691917. The next prime is 74691943. The reversal of 74691941 is 14919647.

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 a de Polignac number, because none of the positive numbers 2k-74691941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74691943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401 + ... + 12686.

It is an arithmetic number, because the mean of its divisors is an integer number (18678168).

Almost surely, 274691941 is an apocalyptic number.

It is an amenable number.

74691941 is a deficient number, since it is larger than the sum of its proper divisors (20731).

74691941 is a wasteful number, since it uses less digits than its factorization.

74691941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20730.

The product of its digits is 54432, while the sum is 41.

The square root of 74691941 is about 8642.4499420014. The cubic root of 74691941 is about 421.1381469178.

The spelling of 74691941 in words is "seventy-four million, six hundred ninety-one thousand, nine hundred forty-one".

Divisors: 1 4643 16087 74691941