Search a number
-
+
74060669 is a prime number
BaseRepresentation
bin1000110101000…
…01001101111101
312011100200010202
410122201031331
5122424420134
611203213245
71556335214
oct432411575
9164320122
1074060669
1138894971
1220977225
1312460ba7
149b9c07b
15677dd7e
hex46a137d

74060669 has 2 divisors, whose sum is σ = 74060670. Its totient is φ = 74060668.

The previous prime is 74060647. The next prime is 74060699. The reversal of 74060669 is 96606047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69939769 + 4120900 = 8363^2 + 2030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74060669 is a prime.

It is a super-2 number, since 2×740606692 = 10969965385455122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74060639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37030334 + 37030335.

It is an arithmetic number, because the mean of its divisors is an integer number (37030335).

Almost surely, 274060669 is an apocalyptic number.

It is an amenable number.

74060669 is a deficient number, since it is larger than the sum of its proper divisors (1).

74060669 is an equidigital number, since it uses as much as digits as its factorization.

74060669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 74060669 is about 8605.8508585729. The cubic root of 74060669 is about 419.9483477674.

The spelling of 74060669 in words is "seventy-four million, sixty thousand, six hundred sixty-nine".