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74694461 is a prime number
BaseRepresentation
bin1000111001110…
…11111100111101
312012112212112112
410130323330331
5123110210321
611224543405
71564615052
oct434737475
9165485475
1074694461
1139188066
1221021b65
131262350a
149cc5029
156856a5b
hex473bf3d

74694461 has 2 divisors, whose sum is σ = 74694462. Its totient is φ = 74694460.

The previous prime is 74694427. The next prime is 74694463. The reversal of 74694461 is 16449647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73633561 + 1060900 = 8581^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 74694461 - 226 = 7585597 is a prime.

Together with 74694463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74694463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37347230 + 37347231.

It is an arithmetic number, because the mean of its divisors is an integer number (37347231).

Almost surely, 274694461 is an apocalyptic number.

It is an amenable number.

74694461 is a deficient number, since it is larger than the sum of its proper divisors (1).

74694461 is an equidigital number, since it uses as much as digits as its factorization.

74694461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 74694461 is about 8642.5957327645. The cubic root of 74694461 is about 421.1428830655.

The spelling of 74694461 in words is "seventy-four million, six hundred ninety-four thousand, four hundred sixty-one".