704248381 has 2 divisors, whose sum is σ = 704248382. Its totient is φ = 704248380.

The previous prime is 704248333. The next prime is 704248387. The reversal of 704248381 is 183842407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480267225 + 223981156 = 21915^2 + 14966^2 .

It is a cyclic number.

It is not a de Polignac number, because 704248381 - 2¹³ = 704240189 is a prime.

It is a super-2 number, since 2×704248381² = 991931564282242322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 704248381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704248387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352124190 + 352124191.

It is an arithmetic number, because the mean of its divisors is an integer number (352124191).

Almost surely, 2^704248381 is an apocalyptic number.

It is an amenable number.

704248381 is a deficient number, since it is larger than the sum of its proper divisors (1).

704248381 is an equidigital number, since it uses as much as digits as its factorization.

704248381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 704248381 is about 26537.6785156502. The cubic root of 704248381 is about 889.6966440776.

The spelling of 704248381 in words is "seven hundred four million, two hundred forty-eight thousand, three hundred eighty-one".