9678745 has 8 divisors (see below), whose sum is σ = 12119616. Its totient is φ = 7406256.

The previous prime is 9678743. The next prime is 9678749. The reversal of 9678745 is 5478769.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9678745 - 2¹ = 9678743 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9678695 and 9678704.

It is not an unprimeable number, because it can be changed into a prime (9678743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41967 + ... + 42196.

It is an arithmetic number, because the mean of its divisors is an integer number (1514952).

Almost surely, 2^9678745 is an apocalyptic number.

It is an amenable number.

9678745 is a deficient number, since it is larger than the sum of its proper divisors (2440871).

9678745 is a wasteful number, since it uses less digits than its factorization.

9678745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84191.

The product of its digits is 423360, while the sum is 46.

The square root of 9678745 is about 3111.0681445446. The cubic root of 9678745 is about 213.1112366880. Note that the first 3 decimals are identical.

The spelling of 9678745 in words is "nine million, six hundred seventy-eight thousand, seven hundred forty-five".