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704687 is a prime number
BaseRepresentation
bin10101100000010101111
31022210122112
42230002233
5140022222
623034235
75663324
oct2540257
91283575
10704687
11441495
1229b97b
131b8999
14144b4b
15ddbe2
hexac0af

704687 has 2 divisors, whose sum is σ = 704688. Its totient is φ = 704686.

The previous prime is 704681. The next prime is 704713. The reversal of 704687 is 786407.

704687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (786407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 704687 - 210 = 703663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352343 + 352344.

It is an arithmetic number, because the mean of its divisors is an integer number (352344).

2704687 is an apocalyptic number.

704687 is a deficient number, since it is larger than the sum of its proper divisors (1).

704687 is an equidigital number, since it uses as much as digits as its factorization.

704687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 704687 is about 839.4563717073. The cubic root of 704687 is about 88.9881312288.

The spelling of 704687 in words is "seven hundred four thousand, six hundred eighty-seven".