Search a number
-
+
74525768 = 239315721
BaseRepresentation
bin1000111000100…
…10110001001000
312012020022010122
410130102301020
5123034311033
611221202412
71563313202
oct434226110
9165208118
1074525768
1139082349
1220b60408
13125947b5
149c7d772
156821a98
hex4712c48

74525768 has 8 divisors (see below), whose sum is σ = 139735830. Its totient is φ = 37262880.

The previous prime is 74525761. The next prime is 74525797. The reversal of 74525768 is 86752547.

It can be written as a sum of positive squares in only one way, i.e., 55323844 + 19201924 = 7438^2 + 4382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (74525761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4657853 + ... + 4657868.

Almost surely, 274525768 is an apocalyptic number.

It is an amenable number.

74525768 is a deficient number, since it is larger than the sum of its proper divisors (65210062).

74525768 is a wasteful number, since it uses less digits than its factorization.

74525768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315727 (or 9315723 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 74525768 is about 8632.8308219263. The cubic root of 74525768 is about 420.8256020364.

The spelling of 74525768 in words is "seventy-four million, five hundred twenty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 9315721 18631442 37262884 74525768