9679740 has 96 divisors (see below), whose sum is σ = 32632320. Its totient is φ = 2094336.

The previous prime is 9679679. The next prime is 9679751. The reversal of 9679740 is 479769.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 9679692 and 9679701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7374 + ... + 8586.

It is an arithmetic number, because the mean of its divisors is an integer number (339920).

Almost surely, 2^9679740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9679740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16316160).

9679740 is an abundant number, since it is smaller than the sum of its proper divisors (22952580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9679740 is a wasteful number, since it uses less digits than its factorization.

9679740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 9679740 is about 3111.2280533577. The cubic root of 9679740 is about 213.1185392331.

The spelling of 9679740 in words is "nine million, six hundred seventy-nine thousand, seven hundred forty".