7660913 has 8 divisors (see below), whose sum is σ = 8285928. Its totient is φ = 7041024.

The previous prime is 7660907. The next prime is 7660921. The reversal of 7660913 is 3190667.

It can be written as a sum of positive squares in 4 ways, for example, as 1270129 + 6390784 = 1127^2 + 2528^2 .

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 7660913 - 2¹⁰ = 7659889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7660913.

It is not an unprimeable number, because it can be changed into a prime (7660943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195 + ... + 4487.

It is an arithmetic number, because the mean of its divisors is an integer number (1035741).

Almost surely, 2^7660913 is an apocalyptic number.

It is an amenable number.

7660913 is a deficient number, since it is larger than the sum of its proper divisors (625015).

7660913 is a wasteful number, since it uses less digits than its factorization.

7660913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 7660913 is about 2767.8354358596. The cubic root of 7660913 is about 197.1333838628.

The spelling of 7660913 in words is "seven million, six hundred sixty thousand, nine hundred thirteen".