9672778 has 8 divisors (see below), whose sum is σ = 14620320. Its totient is φ = 4799340.

The previous prime is 9672763. The next prime is 9672781. The reversal of 9672778 is 8772769.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 9² + 6⁸ + 7 + 2¹⁷ + 7² + 7⁸ + 8⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18198 + ... + 18721.

It is an arithmetic number, because the mean of its divisors is an integer number (1827540).

Almost surely, 2^9672778 is an apocalyptic number.

9672778 is a deficient number, since it is larger than the sum of its proper divisors (4947542).

9672778 is a wasteful number, since it uses less digits than its factorization.

9672778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37052.

The product of its digits is 296352, while the sum is 46.

The square root of 9672778 is about 3110.1090013053. The cubic root of 9672778 is about 213.0674329317.

Subtracting from 9672778 its reverse (8772769), we obtain a palindrome (900009).

The spelling of 9672778 in words is "nine million, six hundred seventy-two thousand, seven hundred seventy-eight".