Search a number
-
+
71740067 = 7219251307
BaseRepresentation
bin1000100011010…
…10101010100011
311222222202212112
410101222222203
5121331140232
611041345535
71530531500
oct421525243
9158882775
1071740067
113754a413
12200382ab
1311b2a859
1497564a7
1564714b2
hex446aaa3

71740067 has 24 divisors (see below), whose sum is σ = 88482240. Its totient is φ = 57834000.

The previous prime is 71740057. The next prime is 71740069. The reversal of 71740067 is 76004717.

It is not a de Polignac number, because 71740067 - 216 = 71674531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71740069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233528 + ... + 233834.

It is an arithmetic number, because the mean of its divisors is an integer number (3686760).

Almost surely, 271740067 is an apocalyptic number.

71740067 is a deficient number, since it is larger than the sum of its proper divisors (16742173).

71740067 is a wasteful number, since it uses less digits than its factorization.

71740067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 71740067 is about 8469.9508263035. The cubic root of 71740067 is about 415.5155290639.

The spelling of 71740067 in words is "seventy-one million, seven hundred forty thousand, sixty-seven".

Divisors: 1 7 19 49 133 251 307 931 1757 2149 4769 5833 12299 15043 33383 40831 77057 233681 285817 539399 1464083 3775793 10248581 71740067