Search a number
-
+
74495334761 = 137723540907
BaseRepresentation
bin100010101100001000…
…1001001100101101001
321010021201010002212122
41011120101021211221
52210031301203021
654120033321025
75245030616621
oct1053021114551
9233251102778
1074495334761
1129658746671
1212530406175
137042879853
143869a69881
151e100cbbab
hex1158449969

74495334761 has 4 divisors (see below), whose sum is σ = 74496013392. Its totient is φ = 74494656132.

The previous prime is 74495334743. The next prime is 74495334779. The reversal of 74495334761 is 16743359447.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (74495334743) and next prime (74495334779).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74495334761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74495334791) 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, 132731 + ... + 408176.

It is an arithmetic number, because the mean of its divisors is an integer number (18624003348).

Almost surely, 274495334761 is an apocalyptic number.

It is an amenable number.

74495334761 is a deficient number, since it is larger than the sum of its proper divisors (678631).

74495334761 is a wasteful number, since it uses less digits than its factorization.

74495334761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678630.

The product of its digits is 7620480, while the sum is 53.

The spelling of 74495334761 in words is "seventy-four billion, four hundred ninety-five million, three hundred thirty-four thousand, seven hundred sixty-one".

Divisors: 1 137723 540907 74495334761