9278473 has 2 divisors, whose sum is σ = 9278474. Its totient is φ = 9278472.

The previous prime is 9278459. The next prime is 9278483. The reversal of 9278473 is 3748729.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 1505529 = 2788^2 + 1227^2 .

It is a cyclic number.

It is not a de Polignac number, because 9278473 - 2¹³ = 9270281 is a prime.

It is a super-2 number, since 2×9278473² = 172180122423458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9278443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4639236 + 4639237.

It is an arithmetic number, because the mean of its divisors is an integer number (4639237).

Almost surely, 2^9278473 is an apocalyptic number.

It is an amenable number.

9278473 is a deficient number, since it is larger than the sum of its proper divisors (1).

9278473 is an equidigital number, since it uses as much as digits as its factorization.

9278473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 9278473 is about 3046.0586008808. The cubic root of 9278473 is about 210.1319880768.

The spelling of 9278473 in words is "nine million, two hundred seventy-eight thousand, four hundred seventy-three".